[ ə'tɛst ]
■ verb
1》 provide or serve as clear evidence of.
2》 declare that something exists or is the case.
Derivatives
~able adjective
~ation noun
~or noun
Origin
C16 (earlier (ME) as ~ation ): from Fr. ~er , from L. ~ari , from ad- 'to' + testari 'to witness'.