chat up

verbs

talk or behave amorously, without serious intentions

"The guys always try to chat up the new secretaries"; "My husband never flirts with other women"

butterfly, chat up, coquet, coquette, dally, flirt, mash, philander, romance

talk to someone with the aim of persuading him

chat up

is a type of (narrower)

cause somebody to adopt a certain position, belief, or course of action; twist somebody's arm

"You can't persuade me to buy this ugly vase!"