Definition of "aspectual"

aspectual

/ˌæˈspɛktjʊəl/

adjective
not comparable
1. Of or pertaining to an aspect.
2. (grammar) Of or pertaining to grammatical aspect.
  Quotations
  Perfective have and progressive be are together known as Aspectual Auxiliaries, since they mark Aspect (viz. whether an action is in progress or has been completed).
  1988, Andrew Radford, Transformational grammar: a first course, Cambridge, UK: Cambridge University Press, page 152