1To display or flaunt something to someone; to show off in a way meant to impress or provoke.
新しい車を友達に見せつけるつもりだ。
I plan to show off my new car to my friends.
試験でいい点を取って親に見せつけた。
I got good marks on the exam and showed them off to my parents.
チームは決勝で力を見せつけた。
The team demonstrated their strength in the final.