Main entry: get it, get onto, get wise, latch on, cotton on, catch on, tumble, twig
Definition: understand, usually after some initial difficulty
Usage: She didn't know what her classmates were plotting but finally caught on
Main entry: fasten on, take up, hook on, seize on, latch on
Definition: adopt
Usage: take up new ideas
Main entry: latch on
Definition: take hold of or attach to
Usage: The biochip latches onto the genes