catch on


catch on to

verb

Definition of CATCH ON

1
to come to an awareness of <she caught on to the fact that they were planning a surprise party>
Synonyms ascertain, catch on (to), find out, get on (to), hear, learn, realize, see, wise (up)
Related Words hit (on or upon), tumble (to); descry, detect, encounter, espy, see, spot; calculate, dope (out), figure out, find, puzzle (out); discern, mind, note, observe, perceive; divine
2
to have a clear idea of <he finally caught on to the concept of phototaxis>
Antonyms miss

Seen & Heard

What made you want to look up catch on? Please tell us where you read or heard it (including the quote, if possible).