"perfective" in the noun sense
1. perfective, perfective tense, perfect, perfect tense
a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
2. perfective, perfective aspect
the aspect of a verb that expresses a completed action
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License