Catch on
Catch on verb - Understand, usually after some initial difficulty.
Both terms in one sentence
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The only solution was to figure out a way to kill the Wraith even more instantaneously, without letting it catch on to the plan.
Source: I Have Your Wife -
She can't quite figure out why they don't catch on.
Source: Discworld / Soul Music -
Hilariously, in the manga, although Goku, Gojyo, and Hakkai figure this out quickly, Sanzo doesn't catch on until they find him and tell him...after enjoying watching him fight against himself for a while.
Source: Fearful Symmetry
Cite this Source
Figure and Catch on. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/catch_on/figure
Catch on & Figure. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/catch_on/figure>.
Figure or Catch on. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/catch_on/figure.
Google Ngram Viewer shows how "catch on" and "figure" have occurred on timeline