List of restrained synonyms and restrained related words.
Attic, Ciceronian, Olympian, aesthetic, aloof, arrested, artistic, aseptic, backward, barred, bashful, beleaguered, beset, besieged, blank, blockaded, bound, bridled, cabined, caged, chaste, chastened, chilled, chilly, choice, classic, clear, cloistered, closed-in, cold, confined, constrained, controlled, cool, cooped, cordoned, cordoned off, corralled, cramped, cribbed, curbed, detached, direct, discreet, distant, easy, elegant, enclosed, excellent, expressionless, fenced, finished, forbidding, frigid, frosty, frugal, graceful, gracile, guarded, hedged, hemmed, hushed, icy, immured, impassive, impersonal, imprisoned, in check, in control, in good taste, in hand, in leading strings, in remission, inaccessible, incarcerated, incommunicable, inhibited, introverted, jailed, leaguered, limited, limpid, lucid, measured, mewed, moderate, modest, natural, neat, noncommittal, of choice, of quality, offish, on leash, paled, pellucid, penned, pent-up, perspicuous, plain, pleasing, polished, pure, quarantined, quelled, quiet, railed, reasonable, refined, remote, removed, repressed, reserved, retarded, reticent, retiring, round, shrinking, shut-in, simple, slowed down, sober, softened, sparing, stable, standoff, standoffish, stinting, straightforward, subdued, suppressed, tasteful, tasty, temperate, tempered, terse, trim, unaffable, unaffected, unapproachable, uncongenial, undemonstrative, under control, under discipline, under restraint, understated, unexcessive, unexpansive, unextreme, ungenial, unlabored, unobtrusive, walled, walled-in, well-chosen, withdrawn