CHANGE

-verb transitive
1. to make the form, nature, content, future course, etc., of (something) different from what it is or from what it would be if left alone: to change one's name; to change one's opinion; to change the course of history.
3. to substitute another or others for; exchange for something else, usually of the same kind: She changed her shoes when she got home from the office.
4. to give and take reciprocally; interchange: to change places with someone.

–verb intransitive
9. to become different: Overnight the nation's mood changed.
10. to become altered or modified: Colors change if they are exposed to the sun.
12. to pass gradually into (usually fol. by to or into): Summer changed to autumn.
15. to change one's clothes: She changed into jeans.
16. (of the moon) to pass from one phase to another.
17. (of the voice) to become deeper in tone; come to have a lower register: The boy's voice began to change when he was thirteen.
21. change one's mind, to change one's opinions or intentions.

-noun
–n. 22. the act or fact of changing; fact of being changed.
23. a transformation or modification; alteration: They noticed the change in his facial expression.
24. a variation or deviation: a change in the daily routine.
25. the substitution of one thing for another: We finally made the change to an oil-burning furnace.
27. the passing from one place, state, form, or phase to another: a change of seasons; social change.
29. the supplanting of one thing by another.


* Excerpted from the Random House Webster's Unabridged Dictionary 3.0.