Wise up is a phrase used to encourage someone to become more aware of their surroundings and gain knowledge. The crossword solutions for this term are SMARTEN (7 letters), INFORM (6 letters), LEARN (5 letters), GETACLUE (8 letters) and GETSMART (8 letters). These words all suggest that the person should become more knowledgeable and informed in order to be wise. SMARTEN implies that the person should become more intelligent, INFORM suggests that they should gain knowledge, LEARN implies that they should acquire new skills, getaclue suggests that they should pay attention to their environment and getsmart implies that they should become more knowledgeable.