flatter
v.v. to praise someone more than they deserve, often because you want something from them. It can also mean that something makes you look more attractive than usual.
v. to praise excessively or insincerely, typically to further one's own interests. Also used to describe a representation or garment that enhances the subject's appearance.
He tries to flatter his boss to get a promotion.
I suspect he is only trying to flatter me because he needs a favor this weekend.
While the biographer intended to be objective, the final portrait tended to flatter the monarch by omitting his more controversial political failures.
From flat + -er (comparative suffix). Compare Icelandic flatari (“flatter, more flat”).
From Middle English flatteren, flateren (“to flutter, float, fawn over”), probably a conflation of Old English floterian, flotorian (“to flutter, float, be disquieted”), from Proto-West Germanic flotrōn, from Proto-Germanic flutrōną (“to be floating”), from Proto-Indo-European plewd- (“to flow, swim”), equivalent to float + -er; and Old Norse flaðra (“to fawn on someone, flatter”), from Proto-Germanic flaþrōną (“to fawn over, flutter”), from Proto-Indo-European peled- (“moisture, wetness”), *pel- (“to gush, pour out, fill, flow, swim, fly”). Cognate with Scots flatter, flotter (“to float; splash; cover with liquid”), Middle Dutch flatteren (“to embellish, flatter, caress”), German flattern (“to flutter”). The word was also falsely associated with Middle French flatter (“to flatter, to caress with the flat of the hand”), from Old French flater (“to deceive by concealing the truth, to stroke with the palm of the hand”), from Frankish flat (“palm, flat of the hand”), from Proto-Germanic flatą, flatō (“palm, sole”), from flataz (“flat”), probably from Proto-Indo-European pleth₂-, *pleh₂- (“flat, broad, plain”); related to Old High German flazza (“palm, flat of the hand”), Old High German flaz (“level, flat”), Old Saxon flat (“flat”), Old Norse flatr (“flat”) (whence English flat), Old Frisian flet, flette (“dwelling, house”), Old English flet, flett (“ground floor, dwelling”). More at flat.
From flat (“to make flat, flatten”) + -er (agent suffix).
From flat (“dwelling, apartment”) + -er (residency suffix).
The verb is transitive and takes a direct object.
She flattered to himShe flattered himFlatter is a transitive verb and does not take the preposition 'to' before the object.