Apperceive and Catch on

Apperceive verb - Perceive in terms of a past experience.

Catch on and apperceive are semantically related in become aware of topic. In some cases you can use "Catch on" instead a verb "Apperceive", when it comes to topics like become aware of information.

Catch on verb - Understand, usually after some initial difficulty.

Apperceive and catch on are semantically related in become aware of topic. Sometimes you can use "Apperceive" instead a verb "Catch on", if it concerns topics such as become aware of information.