The crossword solution for the term 'BEHAVE LIKE A THESPIAN' is 'EMOTE'. Emoting is a form of acting in which the actor expresses emotions and feelings through facial expressions, body language, and vocal intonations. It is often used in theatre and film to convey a character's inner thoughts and feelings. Emoting is an important part of thespian performance, as it allows the audience to connect with the character on an emotional level.