The term 'ACTIVE ONE' can be broken down into three crossword solutions: GOER (4 letters), DOER (4 letters), and DOERS (5 letters). A goer is someone who is always on the move, often traveling from place to place. A DOER is someone who takes action and gets things done. Doers are people who take initiative and are not afraid to take risks. Finally, doers are people who are willing to put in the effort to make something happen. All of these terms refer to someone who is active and takes initiative.