What does "serviceable" mean?

Serviceable: Prepared for rendering service; capable of, or fit for, the performance of duty; hence, active; diligent. Courteous he was, lowly, and servysable. Chaucer. Bright-hearnessed angels sit in order serviceable. Milton. Seeing her so sweet and serviceable. Tennnyson. -- Serv"ice*a*ble*ness, n. -- Serv"ice*a*bly, adv.

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