warrant ,
v :
(transitive, obsolete) To protect, keep safe (from danger). (transitive, obsolete) To give (someone) an assurance or guarantee (of something); also, with a double object: to guarantee (someone something). (transitive) To guarantee (something) to be (of a specified quality, value, etc.). (transitive) To guarantee as being true; (colloquial) to believe strongly. (transitive) To authorize; to give (someone) sanction or warrant (to do something). (transitive) To justify; to give grounds for.
