De-falcate is not a well-known word, and as such, finding its antonyms is a challenging task. However, we can break down the word to understand what it means and find its antonyms by looking at the root words. The word de-falcate comes from two words, 'de' meaning 'away' and 'falcate' meaning 'curved like a sickle.' Together they mean to cut or defraud. Therefore, the antonyms for de-falcate would be honest, ethical, transparent, candid, fair, and trustworthy. These are all words that represent integrity, which is the opposite of what de-falcate represents. Therefore, if one wants to avoid fraudulent behavior, they should embrace these qualities to ensure they act with honor and honesty.