To agree with someone or something, or to happen at the same time.
From Latin concurrere meaning 'to run together,' composed of con- (together) and currere (to run). Originally meant to meet or come together in space or time, later extended to agreement of opinions or simultaneous occurrence.
The image embedded in 'concur' is beautifully physical - minds 'running together' toward the same conclusion. Legal and academic writing favors this formal word over simple 'agree' because it suggests not just passive acceptance but active convergence of independent thought processes.
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