advisor

UK: /ədˈvaɪzə^r/

WordReference Random House Learner's Dictionary of American English © 2025

ad•vis•er or ad•vis•or/ædˈvaɪzɚ/   n. [countable]

1. a person who gives advice;
   counselor:
   My adviser suggested I take your course.

WordReference Random House Unabridged Dictionary of American English © 2025

ad•vis•er  (ad vī′zər), n. 

1. one who gives advice.
2. Education a teacher responsible for advising students on academic matters.
3. a fortuneteller.

Also, ad•vi′sor. 

• advise + -er¹ 1605–15

ad•vis′er•ship′, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

adviser, advisor / ədˈvaɪzə/ noun

1. a person who advises
2. a person responsible for advising students on academic matters, career guidance, etc
3. a subject specialist who advises heads of schools on current teaching methods and facilities