expedience

English

From Middle English expedience, from Old French expedience, from Late Latin expedientia, from Latin expediens.

expedience (countable and uncountable, plural expediences)

(uncountable) The quality of being fit or suitable to cause some desired end or the purpose intended; propriety or advisability under the particular circumstances of a case.
- April 11 1690, John Sharp, sermon preached at White-Hall
  to determine concerning the expedience of actions
Speed, haste or urgency.
- 1595 December 9 (first known performance), William Shakespeare, “The life and death of King Richard the Second”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act II, scene i]:
  making hither with all due expedience
- 2008, Thomas Dyja, Walter White: The Dilemma of Black Identity in America (page 178)
  The sense of expedience that allowed White to cut deals and keep moving had made many, mistakenly, see him as shallow or, worse, unprincipled.
Something that is expedient.
(obsolete) An expedition; enterprise; adventure.
- c. 1597 (date written), William Shakespeare, “The First Part of Henry the Fourth, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act I, scene i]:
  forwarding this dear expedience

English terms derived from the Proto-Indo-European root *ped-‎ (0 c, 48 e)

quality of being fit or suitable to effect some desired end — see expediency

speed, haste or urgency

something that is expedient

OED2
expediency in An American Dictionary of the English Language, by Noah Webster, 1828.
expedience in The Century Dictionary, New York, N.Y.: The Century Co., 1911
expedience at OneLook Dictionary Search
Douglas Harper (2001–2023), “expedience”, in Online Etymology Dictionary.