As a verb validate
is to render valid.
As an adjective usable is
capable of being used.
validate
English
Verb
(validat)
To render valid.
To check or prove the validity of; verify.
Antonyms
* disprove
* invalidate
Related terms
* valid
* validation
* validator
usable
English
Alternative forms
* useable
Antonyms
* unusable
Derived terms
* usability
* unusable
Anagrams
*