Relating to or proceeding from friends; friendly or peacefully cooperative (archaic/legal usage).
From Latin 'amicalis' (of or pertaining to friends), derived from 'amicus' (friend). The suffix '-al' creates adjectives meaning 'of or pertaining to,' common in Latin-derived English.
In modern English, 'amical' mostly survives in the legal phrase 'amicable settlement,' which sounds more formal and Latin-y than just saying 'friendly settlement,' showing how law preserves old words that everyday speakers have abandoned.
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