Webster's Revised Unabridged Dictionary · 1913

Expedience

Expedience , noun

1.
The quality of being expedient or advantageous; fitness or suitableness to effect a purpose intended; adaptedness to self-interest; desirableness; advantage; advisability; -- sometimes contradistinguished from moral rectitude or principle.
Divine wisdom discovers no expediency in vice. — Cogan
To determine concerning the expedience of action. — Sharp
Much declamation may be heard in the present day against expediency, as if it were not the proper object of a deliberative assembly, and as if it were only pursued by the unprincipled. — Whately
2.
Expedition; haste; dispatch. [Obsolete]
Making hither with all due expedience. — Shakespeare
3.
An expedition; enterprise; adventure. [Obsolete]
Forwarding this dear expedience. — Shakespeare

Also: Expediency