flatter

US /ˈflæt̬.ɚ/
UK /ˈflæt̬.ɚ/
"flatter" picture
1.

to praise someone in order to make them feel attractive or important, sometimes in a way that is not sincere

:
He tried to flatter his boss to get a promotion.
She was flattered by his compliments.
2.

to make someone look more attractive than usual

:
That dress really flatters your figure.
The lighting in this room doesn't flatter anyone.