The Collaborative International Dictionary
Concludent
Concludent \Con*clud"ent\, a. [L. concludens, p. pr.] Bringing to a close; decisive; conclusive. [Obs.]
Arguments highly consequential and concludent to my
purpose.
--Sir M. Hale.
Wiktionary
concludent
a. 1 (context obsolete English) conclusive; decisive. 2 (context obsolete English) convincing.