Engage in is a phrase that means to participate in an activity or to become involved in something. The crossword solutions for this phrase are WAGE (4 letters), ENTER (5 letters), HAVE (4 letters), and PERSIST (7 letters). WAGE refers to the payment received for work done, ENTER implies entering into a situation or agreement, HAVE suggests ownership or possession, and PERSIST implies continuing to do something despite difficulties. Together, these words suggest that engaging in something requires effort, commitment, and perseverance.