The act of helping something progress forward; advancement or promotion of a cause, goal, or objective.
From 'farther' (comparative form of 'far') plus the suffix '-ance,' which creates nouns indicating a state or quality. Related to 'furtherance' with which it shares meaning.
This word is rarer than 'furtherance,' which means the same thing—English often has competing synonyms because of how language evolves through regional and class variations.
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