opt in

opt in(to something)

to choose to join in. She opted into our plans. She opted in almost immediately.

Name	Pronounced	Usage
Perele	-	Yiddish
Porter	PAWR-tər	English
Kyler	KIE-lər	English (Modern)
Murphy	MUR-fee	Irish, English
Yngve	-	Swedish, Norwegian, Danish
Kellie	KEL-ee	English