Esp. of speech or words: ostensibly pleasant or attractive, but intended to deceive or to conceal an ulterior motive; specious; insincere, flattering.

figurative. Sweet, pleasant, delightful; (of speech, words, music, etc.) soothing, soft, mellifluous.

In senses of the verb: Provided with glosses, commented on; speciously adorned; specious.

pleasant and charming of speech; spec. (esp. in early use) using flattery for one's own ends.

Flattering, complimentary; deceptively or insincerely approbatory; (also) of the nature of empty rhetoric.

Rendered specious or plausible. rare.

Plausible, blandishing, flattering. Obsolete.

figurative. Deliciously or alluringly sweet; honeyed; deceitfully or flatteringly pleasant; also, excessively or offensively sweet. Also adv.

In various senses of the verb. Also with back, down.

In form rose-water, rosewater. Pleasant, gentle, conciliatory; refined. Now rare.

figurative. Very sweet or pleasant; honeyed.

Of words, language, etc. Soothing, gentle; (with negative sense) ingratiating, flattering.

In bad sense: Characterized by the fair words or flattery of courtiers.

figurative. Of words, etc.: Specious, plausible.

Covered, smeared, moistened, or lubricated with oil; mixed or prepared using oil. Also figurative and in figurative contexts.

Invested with flattery or blandishment.

in figurative use, passing into adjective (with superlative sugarest, sug(e)rest): Sugary, sweet. Obsolete.

Of words or speech: bland, civil; flattering, insincere. Now rare.

Marked or characterized by, of the nature of, plausibility or speciousness.

Of speech, manners, etc.: Smooth, pleasing, ingratiating, insinuating.

gilded like a pill.

blarneyed.

Of manners, expression of countenance, voice, etc.: Disagreeably ‘unctuous’, ‘oily’.

seasoned with blarney.

Blandishing, cajoling.

Of medical applications, drugs, etc.; spec. soothing powder (in quot. figurative); soothing syrup, a medicinal preparation supposed to calm fretful…