Etymologically

instigatio

Etymology and origin of the Latin word instigatio

Confidence
Established
Formation
Derivation
First attested
86–82 BC Rhetorica ad Herennium More words from the 1st century BC
Ultimate origin
Latin instīgō
Etymology tree
inherited borrowed derived
Latin īnstīgō
English instigate
Latin instīgātiō
English instigation
From the same root
Latin īnstīgātor ← īnstīgō

Forms

instīgātiō f (genitive instīgātiōnis); third declension[1][2]

Etymology

It is formed from Latin instīgō (“to urge on, incite”) + -tiō.[1][3]

Earliest recorded meaning

The first record is in the Rhetorica ad Herennium, which speaks of rousing the feelings of an audience.[1][4][5]

Semantic evolution

From the rousing of listeners in rhetoric it came to mean prompting someone to an act, usually a bad one: the jurist Gaius speaks of people corrupted by the instigations of a stepmother.[1][5] Lactantius and Augustine use the plural of the incitements of others.[2][6] From Augustine on, the plural is common.[3]

Medieval Latin kept the senses “incitement, provocation”,[7] often of the Devil's prompting.[8] English borrowed it in the early 15th century as instigation, from Old French and directly from Latin.[9]

Timeline

  • 86/82 BC – The Rhetorica ad Herennium speaks of arousing an audience.[1][4]
  • 140–180 AD – Gaius uses it of a stepmother's instigations.[1][5]
  • c. 250–317 AD – Lactantius writes of the instigations of robbers.[2][6]
  • before 802 – Alcuin writes of the instigation of an uproar.[8]
  • early 15th century – English borrows it as instigation.[9]

Meanings

Noun

  1. The rousing or stirring up (of feelings, of an audience).[1][2][5]
  2. Incitement, instigation, prompting (to an act).[1][2][5]
  3. (Medieval Latin) Provocation; the prompting of the Devil.[7][8]

References

  1. ^ a b c d e f g h Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  2. ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  3. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  4. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c d e Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  6. ^ a b Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  7. ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  8. ^ a b c Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
  9. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Instigatio.” Etymologically, 7 Nov. 2026, etymologically.com/la/instigatio. Accessed 8 Nov. 2026.

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