"Perfect" is a word in LAW AND LEGAL, ENGLISH

Complete; finished; execut-ed; enforceable

Well informed; certain; sure.

To make perfect; to finish or complete, so as to leave
nothing wanting; to give to anything all that is requisite to its
nature and kind.

Brought to consummation or completeness; completed; not
defective nor redundant; having all the properties or qualities
requisite to its nature and kind; without flaw, fault, or blemish;
without error; mature; whole; pure; sound; right; correct.

The perfect tense, or a form in that tense.

Hermaphrodite; having both stamens and pistils; -- said of
flower.