put in a word

put in a good word (for one)

To recommend someone (for something); to say complimentary things about someone, their performance, or their capabilities. (Can also be structured "put a good word in (for someone.") I heard you're applying for that IT job here; I'll be sure to put in a good word for you. Your former boss put in a good word for you, but we were a little disappointed in your application.
See also: good, put, word

put in a (good) ˈword (for somebody)

say something good about somebody to somebody else in order to help them: If you put in a good word for me, I might get the job.
See also: put, word