toning
to-ning
verb
Making muscles or skin firmer, stronger, or more defined through exercise.
"Regular exercise helps with toning muscles."
verb
Adjusting the colour, shade, or intensity of something, such as hair or a photograph.
"The stylist is toning her blonde hair."
Thesaurus
Synonyms: tone, timbre, quality, timber, inflect, modulate, step, whole tone, whole step, strengthen, tone up, tone of voice