English Reference
Noun

assessor

n.
C1 Advanced US /əˈsɛsɝ/ UK /ɐsˈɛsɐ/ as·ses·sor UK spelling assessors Law Politics

n.a person who checks if someone has followed the rules or met a standard. In law, this person often decides if a person is guilty or not.

n.a person appointed to evaluate or determine the value, quality, or legality of something. In a legal context, refers to a person who presides over a trial or hearing to determine the guilt or innocence of a defendant.


SIMPLE

The assessor checked the building for safety issues.

CONTEXTUAL

The independent assessor reviewed the evidence to ensure the trial was fair and followed the law.

COMPLEX

In many jurisdictions, the assessor holds significant power to interpret the law and make final determinations regarding the admissibility of evidence during a preliminary hearing.

For oral exams, this might involve assessors telling students ahead of time the purpose of the assessment, its marking criteria and the types of questions they may be asked by examiners.

Phys.org· 18 Aug 2026

All rely on electric heaters rated “very poor” by the energy assessors and solid-fuel fires or burners.

The Guardian· 15 Aug 2026

From Middle English assessour, from Old French assessour, from Latin assessor (“assistant judge; assessor of taxes”). Cognate with French assesseur.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin assessor
Level C1 · Advanced
Frequency Occasional
Updated