List of cool synonyms and cool related words.
Buddha-like composure, Laodicean, OK, Olympian, Oriental calm, abate, abnegation, above all that, absolute zero, abstinence, ace-high, affectless, aguey, aguish, air-condition, air-cool, algid, algidity, allay, aloof, anesthetized, apathetic, aplomb, appease, arctic, arrest, arrogant, assassinate, assured, at rest, audacious, autistic, aweless, awelessness, backward, bad, balance, balanced, balanced personality, bang-up, bashful, bitterness, blank, bleakness, blue with cold, blunt, bold, bonzer, boss, bracing, brazen, bridle, briskness, bully, bump off, bumptious, but good, calculated, calm, calm disposition, calm down, calm of mind, calmness, catatonic, chattering, check, chill, chilled, chilliness, chilling, chilly, chromatic, cloistered, cold, cold as charity, cold-blooded, coldhearted, coldness, collect, collected, colorific, coloring, commonsense, compose, composed, composure, conciliate, confident, conservatism, constancy, constrain, constrained, constraint, contain, continence, control, controlled, contumelious, cool off, coolheaded, coolheadedness, cooling, coolish, coolness, coolth, corking, countenance, crackerjack, cradle, crispness, cryogenics, cryology, curb, curtail, damp, dampen, dandy, decelerate, decrease in temperature, deflect, defuse, deliberate, delicious, detached, deter, dichromatic, diminish, disaccordant, disaffect, discourage, discreet, disdainful, disincline, disinterest, dispassion, dispassionate, distant, distract, dithery, divert, divine, do in, dompt, drugged, ducky, dulcify, dull, dust off, dwindling, ease, easy mind, ebbing, emotionally dead, emotionless, enjoin, equable, equilibrium, even, even out, even-tempered, even-tenored, evenness, exclusive, execute, expectation, expected, expecting, expressionless, fab, familiar, fast, fastness, fervorless, fiducial, fine and dandy, finish, firm, firm as Gibraltar, firmness, forbidding, forward, freezing, freezing point, fresh, freshen, freshness, frigid, frigidity, frosted, frostiness, frosty, frozen, frozen to death, gear, gelid, gelidity, gentle, gentleness, glorious, glowing, golden mean, govern, great, groovy, guard, guarded, halcyon, half-frozen, halfhearted, happy medium, harmonious, heartless, heavy, hinder, hold, hold at bay, hold back, hold fast, hold in, hold in check, hold in leash, hold up, hubristic, hunky-dory, hush, hushed, ice, ice-cool, iciness, icy, icy calm, immovable, impartiality, impassible, impassive, impersonal, impertinent, imperturbability, imperturbable, imperturbation, impudent, in equilibrium, inaccessible, inclemency, incompatible, indifferent, indispose, indisturbance, inexcitability, inexcitable, infrigidate, inhibit, inhospitable, inimical, insolent, insulting, insusceptible, intense cold, introverted, invariability, invigorating, isolated, jam-up, judiciousness, just dandy, juste-milieu, keen, keenness, keep, keep back, keep from, keep in, keep in check, keep under control, knock off, lay, lay the dust, lay under restraint, lenity, lessen, level-headed, levelheaded, liquidate, logical, low temperature, lukewarm, lull, many-colored, marvy, matching, mean, meden agan, medley, mental composure, middle way, mildness, moderate, moderateness, moderation, moderationism, modest, moldering, mollify, monochromatic, monochrome, monochromic, motley, neat, nerve, neuter, neutral, neutrality, nifty, nip, nippiness, nippy, nobby, nodding acceptance, nonamazedness, nonamazement, nonastonishment, nonchalant, nonemotional, nonmarveling, nonviolence, nonwonder, nonwondering, nothing in excess, objective, obtrusive, obtuse, offish, okay, out of sight, out of touch, overconfident, overpresumptuous, overweening, pacific, pacifism, pacify, passionless, peace of mind, peaceable, peaceful, peacefulness, peachy, peachy-keen, perfunctory, philosophic composure, philosophical, philosophicalness, philosophy, phlegmatic, pigmentary, placate, placid, placidity, poise, polychromatic, pour balm into, pour balm on, practical, pragmatic, predictable, premeditated, presuming, presumptuous, prismatic, procacious, prohibit, propitiate, prudence, pull, pull in, purposeful, purposive, pushy, put away, put off, quell, quench, quiescent, quiet, quiet mind, quietude, rainbow, rational, rawness, reasonable, reduce, refresh, refreshing, refrigerate, rein, rein in, relaxed, reliability, reliable, remote, removed, repel, repose, reposeful, reposing, repress, repressed, reserved, rest, restful, resting, restrain, restrained, restraint, retard, reticent, retiring, retrench, rigor, ripping, rock, rock to sleep, rootedness, rum, sane, sang-froid, sangfroid, scrumptious, secluded, seclusive, secure, secureness, security, sedateness, self-abnegation, self-absorbed, self-control, self-controlled, self-denial, self-possessed, self-restraint, sensational, sensible, sequestered, sequestrated, serene, serenity, set back, severity, shaky, shameless, sharp air, sharpness, sheltered, shivering, shivery, shrinking, simmer down, slap-up, slow down, smashing, smooth, smooth down, smooth over, smoothen, smother, snub, sober, sober-minded, sobriety, solid, solidity, solitary, something else, soothe, soothingness, soulless, sound, soundness, spectral, spiffing, spiffy, spiritless, stability, stabilize, stable, stable equilibrium, stable state, standoff, standoffish, steadfast, steadfastness, steadiness, steady, steady nerves, steady state, still, still as death, stillish, stilly, stimulating, stoic, stolid, strained, straiten, stunning, subdue, subdued, subsiding, substantial, substantiality, suppress, suppressed, swell, temperance, temperate, temperateness, tense, tepid, tinctorial, tingent, toning, tough, tranquil, tranquilize, tranquillity, turn aside, turn away, turn from, turn off, unabashed, unaffable, unaffectionate, unagitated, unamazed, unamazedness, unamazement, unamiable, unamicable, unapproachable, unastonished, unastonishment, unastounded, unawed, unbewildered, uncompanionable, unconcerned, uncongenial, uncordial, undazed, undazzled, undeflectability, undemonstrative, under control, undisturbed, undumbfounded, unemotional, unexcessiveness, unexcitable, unexcited, unexpansive, unextravagance, unextremeness, unfeeling, unflappable, unflinching, unfriendly, ungenial, unharmonious, unheated, uniformity, unimpassioned, unimpressed, unimpressibleness, unimpressionable, uninterested, uninvolved, unloving, unmarveling, unmoved, unpassionate, unperturbed, unresponding, unresponsive, unruffled, unruffledness, unshakable, unshakable nerves, unshakableness, unsociable, unstirring, unsurprise, unsurprised, unsurprisedness, unsusceptible, unsympathetic, untouchable, untroubled, unwavering, unwondering, uppish, uppity, variegated, ventilate, via media, waning, warm, wean from, well-balanced, with chattering teeth, withdrawn, withhold, without nerves, wizard, wonderless, wonderlessness, zealless