> Klingon word:   'ol
> Part of Speech: verb
> Definition:     verify
 
De'vID:
: I don't know if there are others, but I do recall one example of 
: canon for {'ol}:
: 
: TKW page 186:
: 	Trust, but verify.
: 	{yIvoq 'ach yI'ol}
That's the only example I know of.
-- 
Voragh                       
Ca'Non Master of the Klingons