Mentor

UK: /ˈmɛntɔː/ US: /ˈmɛntɔr, -tɚ/ ,(men′tôr, -tər)

Collins Concise English Dictionary © HarperCollins Publishers::

Mentor / ˈmɛntɔː/ noun

1. the friend whom Odysseus put in charge of his household when he left for Troy. He was the adviser of the young Telemachus

WordReference Random House Learner's Dictionary of American English © 2026

men•tor /ˈmɛntɔr, -tɚ/   n. [countable]

1. a trusted counselor or teacher:
   Two of his professors were his mentors.

v. [~ + object]

2. to act as a mentor (to):
   He mentored several bright young students.

WordReference Random House Unabridged Dictionary of American English © 2026

men•tor  (men′tôr, -tər), n. 

1. a wise and trusted counselor or teacher.
2. an influential senior sponsor or supporter.

v.i. 

3. to act as a mentor:
   She spent years mentoring to junior employees.

v.t. 

4. to act as a mentor to:
   The brash young executive did not wish to be mentored by anyone.

• Greek Méntōr)
• after Mentor (1740–50

men′tor•ship′, n. 
Synonyms

• 1. adviser, master, guide, preceptor.

Men•tor  (men′tôr, -tər), n. 

1. Mythology, Place Names (in the Odyssey) a loyal adviser of Odysseus entrusted with the care and education of Telemachus.

Men•tor  (men′tər), n. 

1. a town in NE Ohio. 42,065.

Collins Concise English Dictionary © HarperCollins Publishers::

mentor / ˈmɛntɔː/ noun

1. a wise or trusted adviser or guide

Etymology: 18th Century: from Mentor