lighten vs lighten

lighten and lighten both are verbs.

Word	Noun	Adjective	Verb	Adverb
lighten	No	No	Yes	No
lighten	No	No	Yes	No

lighten (verb)	lighten (verb)
make more cheerful through the use of color	make more cheerful through the use of color
become lighter	become lighter
alleviate or remove (pressure or stress) or make less oppressive	alleviate or remove (pressure or stress) or make less oppressive
become more cheerful	become more cheerful
reduce the weight on; make lighter	reduce the weight on; make lighter
make more cheerful	make more cheerful