Glib is defined as speaking in a very smooth, easy way, which may appear to be insincere.
The definition of plausible is something that is highly likely.
Speaking or spoken in an artfully suave manner; ingratiating.
Smoothly gracious or polite; polished; blandly ingratiating; urbane
Characterized by the use of clear, expressive language:
Having, or characterized by, eloquence; fluent, forceful, and persuasive
Having or exhibiting the power of fluent and persuasive speech; eloquent.
Fluently persuasive and forceful
The definition of fluent is having complete knowledge of a foreign language so you can express yourself in that language, or the ability to speak easily, flow freely or move smoothly.
Find another word for smooth-spoken. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for smooth-spoken, like: adulatory, glib, plausible, smooth-tongued, suave, articulate, eloquent, facund, silver-tongued, words and facile.