take on

"His voice took on a sad tone"; "The story took a new turn"; "he adopted an air of superiority"; "She assumed strange manners"; "The gods assume human or animal form in these fables";

"When will the new President assume office?";

"I'll tackle this difficult task";

"accept students for graduate study"; "We'll have to vote on whether or not to admit a new member";

"Princeton plays Yale this weekend"; "Charlie likes to play Mary";