At one (&unr_;). [OE. at on, atone, atoon, attone.] 1. In concord or friendship; in agreement (with each other); as, to be, bring, make, or set, at one, i. e., to be or bring in or to a state of agreement or reconciliation.
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If gentil men, or othere of hir contree
Were wrothe, she wolde bringen hem atoon. Chaucer.
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2. Of the same opinion; agreed; as, on these points we are at one.
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3. Together. [Obs.] Spenser.
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