Word Study
tone up
THESAURUS
tone up
atone, attune, brighten up, brush up, chord, fix, freshen, furbish, furbish up, polish, polish up, put in tune, renovate, repair, retouch, revive, rub up, shine, spruce, spruce up, string, tone down, touch up, tune, tune up, vamp, vamp up, voiceFor further exploring for "tone up" in Webster Dictionary Online