Dis-cérn'er, n.

(diz-zərn'er), n. One who, or that which, discerns, distinguishes, perceives, or separates.

He was a great observer and discerner of men's natures and humors. Clarendon.

The word of God is quick and powerful, . . . a discerner of the thoughts and intents of the heart. Heb. iv. 12.