List of felicitous synonyms and felicitous related words.
Ciceronian, Demosthenian, Demosthenic, Tullian, a propos, ad rem, adapted, advantageous, advisable, affable, agreeable, amiable, amicable, applicable, apposite, appropriate, apropos, apt, articulate, auspicious, becoming, befitting, blissful, cheerful, civil, comely, compatible, complaisant, congenial, congruous, convenient, convincing, cordial, correct, decent, decorous, desirable, dovetailing, dulcet, eloquent, en rapport, enjoyable, expedient, facund, fair, fair and pleasant, favorable, feasible, felicific, fine, fit, fitted, fitten, fitting, fortunate, fructuous, geared, genial, genteel, germane, glib, good, goodly, gracious, grateful, gratifying, happy, harmonious, heart-warming, honeyed, inspired, just, just right, likable, likely, lucky, meet, mellifluous, mellow, meshing, nice, on the button, opportune, pat, pertinent, pleasant, pleasing, pleasurable, pleasure-giving, pleasureful, politic, profitable, proper, propitious, providential, qualified, recommendable, relevant, rewarding, right, ripe, satisfying, seasonable, seemly, silver, silver-tongued, slick, smooth, smooth-spoken, smooth-tongued, sortable, spellbinding, suitable, suited, suiting, sweet, tailored, telling, timely, to be desired, to the point, to the purpose, urbane, useful, welcome, well-chosen, well-expressed, well-put, well-spoken, well-timed, wise, worthwhile