mentor UK /ˈmɛn.tɔː/US /ˈmɛn.toɹ/noun 1verb 1forms 3 noun1 •A wise and trusted counselor or teacher.Many mentors claim that they would work with the vocationers for free because of the sense of satisfaction the interaction provides. — 2006 verb1 •To act as someone's mentor.After him came several deshi, or followers he had mentored. — 2008 formsmentored · mentoring · mentors