A rare or obsolete term, possibly a variant or archaic form related to civilization or civilized state, with uncertain modern usage.
Etymology uncertain; possibly related to civilization with a suffix pattern borrowed from Portuguese or Spanish (-ade), though this word appears to be extremely rare or potentially obsolete in English.
This word is so rare that it exists mainly in historical dictionaries—it's a linguistic ghost that shows how English experimented with different word formations to describe civilization, before settling on more standard forms.
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