Synonyms and related words :
adulatory, bland, blandishing, blarneying, buttery, cajoling, complimentary, courtierly, courtly, disarming, fawning, fine-spoken, flattering, fulsome, glib, gushing, honey-mouthed, honey-tongued, honeyed, ingratiating, insincere, insinuating, mealymouthed, obsequious, oily, oily-tongued, slimy, slobbery, smarmy, smooth, smooth-spoken, smooth-tongued, smug, soapy, soft-soaping, soft-spoken, suave, suave-spoken, sycophantic, unctuous, wheedling