Definition of apprehends:
(v) :
(transitive) To take hold of (something) with understanding; to conceive (something) in the mind; to become cognizant of; to understand.
(v) :
(transitive) To be or become aware of (something); to perceive.
(v) :
(transitive) To acknowledge the existence of (something); to recognize.
(v) :
(transitive) To anticipate (something, usually unpleasant); especially, to anticipate (something) with anxiety, dread, or fear; to dread, to fear.
(v) :
(transitive) (law enforcement) To seize or take (a person) by legal process; to arrest.
(v) :
(intransitive) To understand.