Noah Webster
Expedience
EXPE'DIENCE
EXPE'DIENCY, noun [See Speed, Expedient and Expedite.]
1. Fitness or suitableness to effect some good end or the purpose intended; propriety under the particular circumstances of a case. The practicability of a measure is often obvious, when the expedience of it is questionable.
2. Expedition; adventure. [Not now used.]
3. Expedition; haste; dispatch. [Not now use.]