1-3 of about 3 matches for site:www.thefreedictionary.com recognized lightening
https://www.thefreedictionary.com/indebted
to whom I am greatly indebted for smoothing my path and lightening my labors. View in
https://www.thefreedictionary.com/Gothic
characterized by pointed arches, ribbed vaulting, flying buttresses, rich ornamentation, and a progressive lightening of structure
https://www.thefreedictionary.com/bleach
it (exposing it to sunlight or using a chemical bleaching agent) whitening , lightening - changing to a