Open English Wordnet
Nouns
(n)exercise, exercising, physical exercise, physical exertion, workoutthe activity of exerting your muscles in various ways to keep fit“the doctor recommended regular exercise”, “he did some exercising”, “the physical exertion required by his work kept him fit”
(n)use, usage, utilization, utilisation, employment, exercisethe act of using“he warned against the use of narcotic drugs”, “skilled in the utilization of computers”
(n)exercise, practice, drill, practice session, recitationsystematic training by multiple repetitions“practice makes perfect”