also tone upDCB
to improve the strength and firmness of your muscles, skin etc:
Exercise can strengthen and tone muscles.
He began to use weights in order to tone up his body.
a well-toned body
tone something ↔ downphrasal verb
to reduce the effect of something such as a speech or piece of writing, so that people will not be offended:
His advisers told him to tone down his speech.
to make a colour less bright:
Blue can be used to tone down very sunny rooms.
tone inphrasal verb
tone in with
Choose candles that will tone in with your tablecloth and china.