The term 'put on airs' is an idiom that means to act in a way that is intended to make oneself appear superior or more important than one actually is. The crossword solutions for this term are STRUT (5 letters), POSE (4 letters), LORD (4 letters), FAKED (5 letters), LORDED (6 letters), and POSTURED (8 letters). All of these words can be used to describe someone who is putting on airs, as they all imply a certain level of arrogance or superiority. Strutting and posing are both physical actions that can be used to show off, while LORD and lorded suggest a sense of entitlement or power. FAKED and postured both imply that the person is pretending to be something they are not.