OLEAGINOUSLY
Scrabble letter values: O1L1E1A1G2I1N1O1U1S1L1Y4 = 16
Definition
OLEAGINOUSLY is the adverb form of OLEAGINOUS.
adjective OLEAGINOUS: unpleasantly and excessively suave or ingratiating in manner or speech.
Synonyms of OLEAGINOUS: buttery, fulsome, oily, smarmy, soapy, unctuous