Solver/ˈsɑːlvər/ Definition 1 of 2Pro Tip 1/3Person or Device Can refer to both a person with problem-solving skills or a device made to resolve issues. My calculator is a great math solver. Pro Tip 2/3Positive Connotation Using 'solver' usually suggests competence and the ability to overcome challenges. She's known as the office solver for IT issues. Pro Tip 3/3Active Role Implies taking an active role in finding a solution, not just participating in the process. He became the chief solver during the negotiations.