The term LOOK ON can be defined by four different crossword solutions: SPECTATE (8 letters), GAPE (4 letters), EYE (3 letters), and WITNESS (7 letters). SPECTATE means to observe or watch something, usually from a distance. GAPE is an expression of surprise or wonder, often with the mouth open wide. EYE is a noun that refers to the organ of sight, or the act of looking at something. Lastly, WITNESS is to see or experience something firsthand, or to testify to something in a court of law.