warm up to

warm up to (someone or something)

To slowly begin to like someone or something. I'm not aloof, it takes me awhile to warm up to new people.
See also: up, warm

warm up to someone or something

Fig. to become more fervent and earnest toward someone, something, or a group; to become more responsive and receptive to someone, a group, or something. After we talked, he began to warm up to us a little. I warmed up to the committee as the interview went on.
See also: up, warm
References in periodicals archive ?
What teacher wouldn't warm up to such a classroom management tool?
As a compromise, the football team may warm up to recordings until 6:30 p.