ripen into

ripen into something

 
1. Lit. to ripen and become something recognizable. This little green ball will ripen into an apple.
2. Fig. to mature into something. This problem is going to ripen into a real crisis if we don't do something about it right now. The small matter ripened into a large problem in a short time.
See also: ripen
References in classic literature ?
Yet I am certain that he does not wish their intimacy to ripen into love, and I have several times observed that he has taken pains to prevent them from being tete- a-tete.