savvy

knowing - a clear and certain mental apprehension

comprehension - 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"

self-knowledge - an understanding of yourself and your goals and abilities

smattering - a slight or superficial understanding of a subject

appreciation, grasp, hold - understanding of the nature or meaning or quality or magnitude of something; "he has a good grasp of accounting practices"

grasping - understanding with difficulty; "the lecture was beyond his most strenuous graspings"

hindsight - understanding the nature of an event after it has happened; "hindsight is always better than foresight"

brainstorm, brainwave, insight - the clear (and often sudden) understanding of a complex situation

realization, realisation, recognition - coming to understand something clearly and distinctly; "a growing realization of the risk involved"; "a sudden recognition of the problem he faced"; "increasing recognition that diabetes frequently coexists with other chronic diseases"

understand - know and comprehend the nature or meaning of; "She did not understand her husband"; "I understand what she means"

figure - understand; "He didn't figure her"

catch on, cotton on, get it, get onto, get wise, twig, latch on, tumble - understand, usually after some initial difficulty; "She didn't know what her classmates were plotting but finally caught on"

intuit - know or grasp by intuition or feeling

digest - arrange and integrate in the mind; "I cannot digest all this information"