to catch; to capture; to grasp (e.g. meaning); to perceive; to captivate; to move (one's heart)
to be caught; to be captured; to be taken prisoner; to be seized with (fear, etc.); to be a slave to; to stick to
hard to figure out; elusive; slippery; vague; subtle
to pounce on someone's words; to cavil at someone's words; to trip someone up with their own words
key (to understanding); point (e.g. of an argument)
to be seized with fear; to be seized with panic