What is the meaning of Perfectus?

Synonym of perfect (“leader of the Cathar movement”).

finished; completed

executed; carried out; performed

perfected; made exquisite

achieved; accomplished

caused; brought about

complete

perfect; excellent; exquisite

talented; accomplished (of very high skill)

noble; virtuous

righteous; honorable

perfect (relating to the perfect tense)

a doing; a making

inflection of perfectus:

1. nominative/accusative/vocative plural
2. genitive singular

nominative/accusative/vocative plural

genitive singular

perfect (faultless, etc.)

Source: wiktionary.org