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v. Simple past tense and past participle of freshen.

"I started the Great Laundering of Clothes Being Given Away they were clean the last time I folded and stacked them, but there's this about used T-shirts--they need to be "freshened" before reuse if stored too long."

freshened    freshening    freshens   

change    modify    alter   

to freshen ballast    fresnel-arago law    fresnel's biprism    to freshen the hawse   

refresh    revive    liven    renew    brighten   

Hessian    accession    aggression    compression    concession