v.1. To weigh or consider some idea: I'm thinking of moving to New York.
2. To bring some thought to mind by imagination or invention: No one thought of that idea before I did.
3. To recall some thought or image to mind: I thought of my childhood when I saw the movie.
4. To consider something to be of some quality. Used with an adverb: My friend thinks highly of your writing and wants to meet you. I hope they don't think badly of me for being so late.
5. To have care or consideration for someone or something: You should think of your family when you choose a place to go on vacation.