Nouns

(n)tincturea substance that colors or dyes
(n)trace, vestige, tincture, shadowan indication that something has been present“there wasn't a trace of evidence for the claim”, “a tincture of condescension”
(n)shade, tint, tincture, tonea quality of a given color that differs slightly from another color“after several trials he mixed the shade of pink that she wanted”
(n)tincture(pharmacology) a medicine consisting of an extract in an alcohol solution

Verbs

(v)impregnate, infuse, instill, tincturefill, as with a certain quality“The heavy traffic tinctures the air with carbon monoxide”
(v)tincturestain or tinge with a slight amount of a color“The sky was tinctured red”