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From Proto-Italic *augeō, from Proto-Indo-European *h₂owg-éye-ti, causative form of *h₂ewg-.

Cognates include Proto-Germanic *aukaną, Ancient Greek αὐξάνω (auxánō), Lithuanian áugti, and, via Iranian, Old Armenian վաշխ (vašx). Akin to English eke.



augeō (present infinitive augēre, perfect active auxī, supine auctum); second conjugation

  1. I increase, augment
  2. I enlarge, spread, expand
  3. I lengthen
  4. I exaggerate
  5. I honor, enrich
    Synonym: honōrō
  6. (figuratively) I exalt, praise


   Conjugation of augeō (second conjugation)
indicative singular plural
first second third first second third
active present augeō augēs auget augēmus augētis augent
imperfect augēbam augēbās augēbat augēbāmus augēbātis augēbant
future augēbō augēbis augēbit augēbimus augēbitis augēbunt
perfect auxī auxistī auxit auximus auxistis auxērunt, auxēre
pluperfect auxeram auxerās auxerat auxerāmus auxerātis auxerant
future perfect auxerō auxeris auxerit auxerimus auxeritis auxerint
passive present augeor augēris, augēre augētur augēmur augēminī augentur
imperfect augēbar augēbāris, augēbāre augēbātur augēbāmur augēbāminī augēbantur
future augēbor augēberis, augēbere augēbitur augēbimur augēbiminī augēbuntur
perfect auctus + present active indicative of sum
pluperfect auctus + imperfect active indicative of sum
future perfect auctus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present augeam augeās augeat augeāmus augeātis augeant
imperfect augērem augērēs augēret augērēmus augērētis augērent
perfect auxerim auxerīs auxerit auxerīmus auxerītis auxerint
pluperfect auxissem auxissēs auxisset auxissēmus auxissētis auxissent
passive present augear augeāris, augeāre augeātur augeāmur augeāminī augeantur
imperfect augērer augērēris, augērēre augērētur augērēmur augērēminī augērentur
perfect auctus + present active subjunctive of sum
pluperfect auctus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present augē augēte
future augētō augētō augētōte augentō
passive present augēre augēminī
future augētor augētor augentor
non-finite forms active passive
present perfect future present perfect future
infinitives augēre auxisse auctūrum esse augērī, augērier1 auctum esse auctum īrī
participles augēns auctūrus auctus augendus
verbal nouns gerund supine
genitive dative accusative ablative accusative ablative
augendī augendō augendum augendō auctum auctū

1The present passive infinitive in -ier is a rare poetic form which is attested for this verb.



Derived terms[edit]


  • augeo in Charlton T. Lewis and Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879
  • augeo in Charlton T. Lewis, An Elementary Latin Dictionary, New York: Harper & Brothers, 1891
  • augeo in Gaffiot, Félix, Dictionnaire illustré Latin-Français, Hachette, 1934
  • Carl Meissner; Henry William Auden, Latin Phrase-Book[1], London: Macmillan and Co., 1894
    • his crowning happiness is produced by a thing; the culminating point of his felicity is..: aliquid felicitatem magno cumulo auget
    • to honour, show respect for, a person: aliquem honore afficere, augere, ornare, prosequi (vid. sect. VI. 11., note Prosequi...)
    • to enrich a person's knowledge: scientia augere aliquem
    • to lend lustre to a subject by one's description: dicendo augere, amplificare aliquid (opp. dicendo extenuare aliquid)
    • to increase a person's courage: animum alicui augere (B. G. 7. 70)
    • to aggrandise, extend the power of the state: rem publicam augere, amplificare