The crossword solution for the term 'LIKE A DISCIPLINARIAN'S TALK' is STERN, which is a five-letter word. The word STERN means to be serious and strict in manner or attitude. It is often used to describe someone who is very disciplined and has a no-nonsense approach to life. This term can also be used to describe someone's speech, which is what this crossword solution is referring to. In this context, it implies that the speaker is speaking in a very strict and serious manner, as if they were a disciplinarian.