постичь bedeutet auf Englisch

acquire [acquired, acquiring, acquires]▼(to gain, usually by one's own exertions; to get as one's own)
verb
[UK: ə.ˈkwaɪə(r)] [US: ə.ˈkwaɪər]

figure out▼(come to understand)
verb
[UK: ˈfɪ.ɡə(r) ˈaʊt] [US: ˈfɪ.ɡjər ˈaʊt]

recognize [recognized, recognizing, recognizes]▼(to realize or discover the nature of something)
verb
[UK: ˈrek.əɡ.naɪz] [US: ˈrek.əg.ˌnaɪz]