an ability to understand the meaning or importance of something (or the knowledge acquired as a result); "how you can do that is beyond my comprehension"; "he was famous for his comprehension of American literature"
an intellectual hold or understanding; "a good grip on French history"; "they kept a firm grip on the two top priorities"; "he was in the grip of a powerful emotion"; "a terrible power had her in its grasp"
grasp with the mind or develop an understanding of; "did you catch that allusion?"; "We caught something of his theory in the lecture"; "don't catch your meaning"; "did you get it?"; "She didn't get the joke"; "I just don't get him"