The Collaborative International Dictionary
Importancy
Importancy \Im*por"tan*cy\, n.
Importance; significance; consequence; that which is
important. [Obs.]
--Shak. ``Careful to conceal
importancies.''
--Fuller.
Wiktionary
importancy
n. 1 (context obsolete English) importance; significance 2 (context obsolete English) That which is important.