tone up

English Thesaurus

1. give a healthy elasticity to (verb.body)

hypernym	:	exercise, work out,
definition	:	do physical exercise (verb.body)

derivation	:	tone, tonicity, tonus,
definition	:	the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli (noun.state)

derivation	:	tone, tonicity, tonus,
definition	:	the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli (noun.state)