The crossword solution for the term GIVES A PEP TALK, WITH 'UP' is PSYCHS. This is an abbreviation of the term 'psychs up, ' which is a phrase used to describe someone who gives a motivational speech or pep talk to a group of people. The phrase is derived from the word 'psychology, ' which is the scientific study of the mind and behavior. The idea behind psyching someone up is to give them the motivation and confidence they need to succeed in whatever task they are undertaking.