(a.) Smooth; pleasant; delightful; gracious or agreeable in manner\.

affable agreeable bland buttery charming civilized cordial cosmopolitan courteous courtly cultivated cultured debonair diplomatic disarming distingue downy even fair-spoken fine-spoken flat fulsome genial glabrate glabrescent glabrous glib gracious honey-mouthed honey-tongued ingratiating leiotrichous level nonchalant oily oily-tongued plane polished polite politic refined regular slick smooth smooth-shaven smooth-spoken smooth-textured smooth-tongued smug soapy sociable soft soft-spoken sophisticated suave-spoken unbroken unctuous uniform unrough unroughened unruffled urbane well-bred worldly