Synonyms and related words :
articulate, bland, buttery, disarming, eloquent, fair-spoken, fine-spoken, free-speaking, free-spoken, fulsome, glib, honey-mouthed, honey-tongued, ingratiating, loud-speaking, loud-spoken, oily, oily-tongued, outspoken, plain-speaking, plain-spoken, smooth, smooth-spoken, smooth-tongued, smug, soapy, soft-speaking, speaking, suave, suave-spoken, talkative, talking, true-speaking, unctuous, well-spoken