The Collaborative International Dictionary of English v.0.48:

Applicatory \Ap"pli*ca*to*ry\, a.
   Having the property of applying; applicative; practical. --
   n. That which applies.
   [1913 Webster]

WordNet (r) 3.0 (2006):

applicatory
    adj 1: readily applicable or practical [syn: applicative,
           applicatory]