( informal ) to think carefully about sth in order to make a decision about it :
I'll have a think and let you know tomorrow.
( informal ) to think carefully about sth in order to make a decision about it :
I'll have a think and let you know tomorrow.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005