Mentor adjectives are listed in this post. Each word below can often be found in front of the noun mentor in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing MENTOR.
academic, adult, beloved, best, better, early, effective
excellent, experienced, first, formal, former, good, great
ideal, important, informal, intellectual, late, literary, longtime
male, new, old, older, other, own, peer
personal, political, potential, primary, professional, religious, right
spiritual, strong, time, true, wise, wonderful
Hope this word list had the adjective used with mentor you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.