The Collaborative International Dictionary
Adeption
Adeption \A*dep"tion\, n. [L. adeptio. See Adept, a.] An obtaining; attainment. [Obs.]
In the wit and policy of the capitain consisteth the
chief adeption of the victory.
--Grafton.
Wiktionary
adeption
n. (context obsolete English) An obtaining; attainment.