perficient

plural perficients

1. One who performs or perfects a work.
2. One who endows a charity.

comparative more perficient · superlative most perficient

1. Making or doing thoroughly; efficient; effectual.

   And , in general , the king being the sole founder of all civil corporations , and the endower the perficient founder of all eleemosynary ones

   1765–1769, William Blackstone, Commentaries on the Laws of England, (please specify |book=I to IV), Oxford, Oxfordshire: […] Clarendon Press, →OCLC

   1 more example

   Religion, as accurately defined, embraces only the perficient relations between divinity and man, and the mode in which such relations operate.

   1889 November 28, Garrick Mallery, “Israelite and Indian: A Parallel in Planes of Culture I”, in Popular Science Monthly