perceive
v.v. to notice or understand something using your senses or your mind. It is often about how you see or judge a situation.
v. to become aware of something through the senses; to interpret or regard someone or something in a particular way. Transitive — requires a direct object.
I perceive a slight change in your attitude today.
Many people perceive the new law as a threat to their personal privacy.
Although the differences were subtle, the experienced detective could perceive a slight hesitation in the witness's voice during the cross-examination.
From Middle English perceyven, borrowed from Old French percevoir, perceveir, from Latin percipiō, past participle perceptus (“take hold of, obtain, receive, observe”), from per (“by, through”) + capiō (“to take”); see capable. Compare conceive, deceive, receive.
The verb is transitive and often takes a 'noun + as + adjective/noun' structure.
I perceive about the problemI perceive the problemPerceive is a transitive verb and does not take the preposition 'about'.