look on (v.)

• appear
• attend
• behold
• catch
• descry
• discern
• discover
• distinguish
• do
• espy
• eye
• eyeball
• follow
• gape
• glimpse
• ken
• notice
• observe
• ogle
• perceive
• recognize
• reconnoiter
• regard
• scout
• see
• sight
• spot
• spy
• twig
• view
• visit
• watch
• witness