Adolescence /ˌæd

modify /ˈmɒd.ɪ.faɪ/ /ˈmɑː.dɪ-/ verb [ T ] CHANGE
1. to change something such as a plan, opinion, law or way of behaviour slightly, usually to improve it or make it more acceptable
Instead of simply punishing them, the system encourages offenders to modify their behaviour.
The proposals were unpopular and were only accepted in a modified form.
modify /ˈmɒd.ɪ.faɪ/ /ˈmɑː.dɪ-/ verb [ T ] LANGUAGE
2. specialized If a word or phrase modifies another word or phrase used with it, it limits or adds to its meaning
In the sentence 'She ran quickly', the adverb 'quickly' modifies the verb 'ran'.