To perceive with the eyes; to look at. I can see the mountains from my window.
To understand or perceive mentally; to comprehend. I see what you mean about the new policy.
To visit or spend time with someone. I plan to see my grandparents this weekend.
To ensure or make certain of something. Please see that the door is locked before you leave.
To experience or witness an event. I saw the concert last night, and it was amazing.
To meet or spend time with someone as a romantic partner; to date. He's been seeing Julia for almost a year.
To accompany or escort (someone) to a place. He offered to see her home after the party.
In card games, to match or call (a bet) without raising. I'll see your bet and raise another five.