a. [f. AID v. + -ABLE; cf. MFr. aidable, refash. on OFr. ayable:—L. adjūtābilis serviceable, f. adjūtā-re: see AID v.]

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  † 1.  Capable of aiding; helpful. Obs. rare.

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1594.  Carew, trans. Huarte’s Trial of Wits, vii. (1596), 94. Such bodily qualities as are aidable to that effect.

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  2.  Capable of being helped. rare0.

4