as‧ses‧sor /əˈsesə $ -ər/ noun [countable]
[Word Family: noun: assessment, assessor; verb: assess]

1. someone whose job is to calculate the value of something or the amount of tax someone should pay

2. British English someone who decides how well someone has done in an examination Synonym : examiner

3. someone who knows a lot about a subject or activity and who advises a judge or an official committee

[TahlilGaran] Dictionary of Contemporary English ▲