Of or pertaining to an application.

The act of applying or laying on, in a literal sense / The substance applied. / The act of applying as a means; the employment of means to accomplish an end; specific use.

plural of application

plural of applicative

(dated) applicability

plural of applicancy

In an applicative manner.

plural of applicability

plural of applicant

Having practical application; applicable. / (computing) Of a programming language: using successive functional transformations on data to arrive at a result.