Leaping; skipping.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective, noun) (a. / n.) (adjective / noun)

Usage examples:

While the Missing Link was still capering Professor Thunder appeared at the window.
- The Missing Link by Edward Dyson
A band of morris- dancers were capering on the green in their fantastic dresses, jingling with hawks' bells, with a boy dressed up as Maid Marian, and the attendant fool rattling his box to collect contributions from the bystanders.
- Bracebridge Hall, or The Humorists by Washington Irving
An incarnate imp, she mocked all discipline and scorned all affection, capering into new mischief at every rebuke and scratching herself free from caresses.
- Sigurd Our Golden Collie and Other Comrades of the Road by Katharine Lee Bates