The term 'GIVE A WAVE' can be solved by the crossword solutions PERM (4 letters) and SET (3 letters). The term 'GIVE A WAVE' is a phrase that is used to describe a gesture of greeting or acknowledgement. It is usually done by raising one's hand and wiggling the fingers in a wave-like motion. The crossword solutions PERM and SET are related to this phrase in that they both refer to a type of hairstyle. A perm is a permanent wave, which is a hairstyle that involves using heat and chemicals to create curls or waves in the hair. A SET is a hairstyle that involves using rollers or curlers to create curls or waves in the hair.