The term perceptor refers to a person or thing that perceives or understands things in a particular way. Here are some synonyms for this word:
1. Observer: A person who notices or watches something closely.
2. Senser: A person who senses or feels something.
3. Cognizer: A person who comprehends or recognizes something.
4. Percipient: A person who has a keen insight or understanding.
5. Discerner: A person who discerns or distinguishes something.
6. Intuitive: A person who has an intuitive understanding of things.
7. Connoisseur: A person who is an expert and knows the nuances of a particular field.
8. Knower: A person who has knowledge of something.
These synonyms can be used interchangeably and enhance the vocabulary of the material being written or spoken.