verb
1.
to recognize the existence or meaning of
as a child learns to apprehend the relation between naughtiness and punishment
Synonyms: accept, catch, compass, comprehend, conceive, cotton (to or on to), ||dig, follow, grasp, make out, see, take, take in, tumble (to), twig, understand
Related Word: realize, recognize, sense; absorb, digest, seize; catch on, wise (up); penetrate
Idioms: catch ( or get) the drift of, get the idea, get through one's head, make head or tail of
Antonyms: misapprehend
2.
Synonyms: arrest 2, ||bust, detain, nab, pick up, pinch, pull in, run in
3.
Synonyms: foresee , anticipate, divine, forefeel, foreknow, preknow, previse, prevision, see, visualize
Related Word: dread, fear
Idioms: be on pins and needles, have one's heart in one's mouth, wait with bated breath
4.
Synonyms: know 1, appreciate, cognize, comprehend, fathom, grasp, have, understand
Idioms: be acquainted with, be cognizant of