software exercising use operation Participate in work reuse exertion use - habitually do anything (use only in past times tense); "She utilized to connect with her mother each and every week but now she calls only occasionally"; "I utilized to get Unwell Once i ate in that eating hall"; https://why-should-i-use-conolidi87383.corpfinwiki.com/9273374/the_best_side_of_how_to_use_conolidine