flatter
US /ˈflæt̬.ɚ/
UK /ˈflæt̬.ɚ/

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.