Valid

val′id, adj. strong: having sufficient strength or force: founded in truth: sound: conclusive: ( law ) executed with the proper formalities: legal: rightful.— v.t. Val′idate , to confirm, give legal force to: test the validity of.— ns. Validā′tion ; Valid′ity .— adv. Val′idly .— n. Val′idne . [Fr.,—L. valid us — valēre , to be strong.]