Rethink (verb)

1. To think about something again, especially in order to change or improve it.
2. To reconsider or reappraise something.

Origin:

From re- + think, from middle english thenken meaning to think, from old english thencan meaning to consider.

Examples:

1. The CEO asked us to rethink the strategy.
2. She decided to rethink her career after 10 years in the same job.
3. The company is rethinking its approach to marketing.
4. He was asked to rethink his decision after the new information came to light.
5. The government is rethinking its policy on immigration.