From Longman Dictionary of Contemporary Englishthink something ↔ over phrasal verbto consider something carefully before making a decision I’ve been thinking over your suggestion. Why don’t you think it over and give me a call in a couple of days? I want some more time to think things over. → think→ See Verb table
Examples from the Corpus
think over• Some one ahead, carrying the light, stumbled, faltered, and Mr Sammler had thought it was over.• There was no time to think it over.• Driving back, I thought this over and realized I was forty years old.• I thought the matter over and remembered an old worry.• So do think this over carefully over the weekend-especially for the sake of the company-noblesse oblige and all that!• She had plenty of time to think it over during a sleepless night, and on the train in the morning.• He thought it over for a few days, then said he would.• He said he'd think about it over the weekend, and let Paul know on the Monday.think things over• Didn't she even want time to think things over?• I wanted to be quiet, and think things over.• She lay down on the bed and tried to think things over.• Sometimes I come here by myself, just to relax, think things over.• Take some time for yourself to think things over.• There was plenty of time for Donald to think things over.• Would it not be better to think things over? 