Synonyms of plausible

1 Syllable

smooth, sound, glib

2 Syllables

valid, glibber, dextrous, trustier, semblant, glibbest, hot-air, specious

3 Syllables

potential, casuistic, credible, palpable, tenable, trustable, possible, apparent, logical, convincing, smooth-spoken, trustworthy, probable, likeliest, prepatent, likelier, likely, fast-talking, smooth-tongued, potentials

4 Syllables

ostensible, believable, excusable, defensible, reasonable, creditable, deceptive, conceivable, ostensive, inferable, convictive, vocative, extensional, juridicious, remittable, believeable, persuasive, presumable, supposable

5 Syllables

conjecturable, well-organized, exculpatory, vindicatory, imaginable

6 Syllables

ratiocinative