the mind > language > speech > request > request or ask for [verb (transitive)] > appeal to or invoke > to bear witness or confirm (4)
intransitive. To refer or appeal to a person or thing for confirmation or testimony. Obsolete.
transitive. To call (someone) to witness something; to appeal to. Obsolete.
To call to witness, take to witness, adjure; to address with a solemn appeal, charge, etc. Obsolete.
To appeal to, in confirmation of something.