Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb catch_on

2 senses of catch on

Sense 1
catch on, get wise, get onto, tumble, latch on, cotton on, twig, get it -- (understand, usually after some initial difficulty; "She didn't know what her classmates were plotting but finally caught on")
       => grok, get the picture, comprehend, savvy, dig, grasp, compass, apprehend -- (get the meaning of something; "Do you comprehend the meaning of this letter?")

Sense 2
catch on -- (become popular; "This fashion caught on in Paris")
       => change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night")