change (one's) mind
1. To change one's original opinion, choice, or plan. Politicians get criticized for flip-flopping, but I think we should value the ability to change one's mind on an issue. I guess he changed his mind and decided to go to the beach instead.
2. To persuade or cause one to change one's original opinion, choice, or plan. I never liked mushrooms before, but you really changed my mind with this dish. He's set on buying that car. Don't bother trying to change his mind.
change someone's mind
to cause a person to think differently (about someone or something). Tom thought Mary was unkind, but an evening out with her changed his mind. I can change my mind if you convince me that you are right.
(I) changed my mind.
I have reversed my previous decision or statement. Tom: I thought you were going to Atlanta today. Bill: I changed my mind. I'm leaving tomorrow. Mary: I thought that this room was going to be done in red. Sue: I changed my mind.
change one's mind
Alter one's views or intentions, as in I can always change my mind about going on this trip. [Early 1600s]
change your ˈmind
change your decision or opinion: He was intending to go to the party but now he’s changed his mind and decided to stay in. change (one's) mind
To reverse a previously held opinion or an earlier decision.