Meaning of “perception” - Learner’s Dictionary

perception

noun uk us /pəˈsepʃən/
BELIEF [ C ]

what you think or believe about someone or something:

The public perception of him as a hero is surprising.
NOTICE [ U ]

the ability to notice something:

Alcohol reduces your perception of pain.

(Definition of “perception” from the Cambridge Learner’s Dictionary © Cambridge University Press)