Sentence:  Dr. H. V. Hilprecht , Professor of Assyrian at the University of Pennsylvania , dreamed that a Babylonian priest , associated with the king Kurigalzu , ( 1300 B.C. . ) escorted him to the treasure chamber of the temple of Bel , gave him six novel points of information about a <WSD>certain</WSD> broken relic , and corrected an error in its identification . 
Meaning of the word marked with <WSD> tags:  reliable in operation or effect