noun
turning point (in sth) the time when an important change takes place, usually with the result that a situation improves :
The promotion marked a turning point in her career.
noun
turning point (in sth) the time when an important change takes place, usually with the result that a situation improves :
The promotion marked a turning point in her career.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005