To make happy.

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1612.  This Prince…. One short Mis-hap for ever Happifies.—Sylvester, ‘Tragedy of Henry the Great.’ (N.E.D.)

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1837–40.  If that don’t happify your heart, then my name’s not Sam Slick.—Haliburton, ‘The Clockmaker,’ p. 79. (N.E.D.)

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1853.  It is one of the most happifying subjects that can be named, for a person, or people, to have the privilege of gaining wisdom enough while in their mortal tabernacle, to be able to look through the whys and wherefores of the existence of man, like looking through a piece of glass that is perfectly transparent; and understand the design of the Great Maker of this beautiful creation.—Brigham Young, May 8: ‘Journal of Discourses,’ i. 111.

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1857.  The bliss that can happify one hour of a man’s being as a Saint, from a knowledge of the truth, and from the influence that truth will exert over him, will, upon the same principle, happify every hour of his life.—Amasa Lyman at the Bowery, Salt Lake City, July 12: id., v. 35.

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