n.
Function: verb
Inflected Form: toned ; ton · ing
Date: 1660
transitive verb
1 : INTONE
2 : to give a particular intonation or inflection to
3 a : to impart tone to : STRENGTHEN <medicine to tone up the system> b : to soften or reduce in intensity, color, appearance, or sound : MELLOW ― often used with down c : to change the normal silver image of (as a photographic print) into a colored image
intransitive verb
1 : to assume a pleasing color quality or tint
2 : to blend or harmonize in color