1. a person who reconsiders or revises their thoughts, ideas, or approaches
Usage: informal

Examples

• As a rethinker, she constantly questioned established business practices.
• The company hired several rethinkers to challenge their outdated strategies.
• He’s known as a rethinker who isn’t afraid to change his mind when presented with new evidence.
• The rethinker in the group suggested we approach the problem from a completely different angle.
• She became a rethinker after realizing her initial assumptions were wrong.