The term 'get one's feet wet' is an idiom that means to start doing something, usually something new or unfamiliar. It can be used to describe a person's first experience with a new activity or job. The crossword solutions for this term are 'BEGIN' (5 letters) and 'WADE' (4 letters). Both of these words can be used to describe the action of getting one's feet wet, as they both imply taking the first steps into something new.