From con- ‎(with, together) +‎ firmō ‎(strengthen, fortify).



cōnfirmō ‎(present infinitive cōnfirmāre, perfect active cōnfirmāvī, supine cōnfirmātum); first conjugation

  1. I make firm, establish, strengthen, fortify, mature, confirm.
  2. I encourage, animate, embolden; persuade.
  3. (by extension) I demonstrate, corroborate, support, prove or confirm the truth of something; assert, affirm.


   Conjugation of confirmo (first conjugation)
indicative singular plural
first second third first second third
active present cōnfirmō cōnfirmās cōnfirmat cōnfirmāmus cōnfirmātis cōnfirmant
imperfect cōnfirmābam cōnfirmābās cōnfirmābat cōnfirmābāmus cōnfirmābātis cōnfirmābant
future cōnfirmābō cōnfirmābis cōnfirmābit cōnfirmābimus cōnfirmābitis cōnfirmābunt
perfect cōnfirmāvī cōnfirmāvistī cōnfirmāvit cōnfirmāvimus cōnfirmāvistis cōnfirmāvērunt, cōnfirmāvēre
pluperfect cōnfirmāveram cōnfirmāverās cōnfirmāverat cōnfirmāverāmus cōnfirmāverātis cōnfirmāverant
future perfect cōnfirmāverō cōnfirmāveris cōnfirmāverit cōnfirmāverimus cōnfirmāveritis cōnfirmāverint
passive present cōnfirmor cōnfirmāris, cōnfirmāre cōnfirmātur cōnfirmāmur cōnfirmāminī cōnfirmantur
imperfect cōnfirmābar cōnfirmābāris, cōnfirmābāre cōnfirmābātur cōnfirmābāmur cōnfirmābāminī cōnfirmābantur
future cōnfirmābor cōnfirmāberis, cōnfirmābere cōnfirmābitur cōnfirmābimur cōnfirmābiminī cōnfirmābuntur
perfect cōnfirmātus + present active indicative of sum
pluperfect cōnfirmātus + imperfect active indicative of sum
future perfect cōnfirmātus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present cōnfirmem cōnfirmēs cōnfirmet cōnfirmēmus cōnfirmētis cōnfirment
imperfect cōnfirmārem cōnfirmārēs cōnfirmāret cōnfirmārēmus cōnfirmārētis cōnfirmārent
perfect cōnfirmāverim cōnfirmāverīs cōnfirmāverit cōnfirmāverīmus cōnfirmāverītis cōnfirmāverint
pluperfect cōnfirmāvissem cōnfirmāvissēs cōnfirmāvisset cōnfirmāvissēmus cōnfirmāvissētis cōnfirmāvissent
passive present cōnfirmer cōnfirmēris, cōnfirmēre cōnfirmētur cōnfirmēmur cōnfirmēminī cōnfirmentur
imperfect cōnfirmārer cōnfirmārēris, cōnfirmārēre cōnfirmārētur cōnfirmārēmur cōnfirmārēminī cōnfirmārentur
perfect cōnfirmātus + present active subjunctive of sum
pluperfect cōnfirmātus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present cōnfirmā cōnfirmāte
future cōnfirmātō cōnfirmātō cōnfirmātōte cōnfirmantō
passive present cōnfirmāre cōnfirmāminī
future cōnfirmātor cōnfirmātor cōnfirmantor
non-finite forms active passive
present perfect future present perfect future
infinitives cōnfirmāre cōnfirmāvisse cōnfirmātūrus esse cōnfirmārī cōnfirmātus esse cōnfirmātum īrī
participles cōnfirmāns cōnfirmātūrus cōnfirmātus cōnfirmandus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
cōnfirmāre cōnfirmandī cōnfirmandō cōnfirmandum cōnfirmātum cōnfirmātū

Derived termsEdit

Related termsEdit



  • confirmo” in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879.




  1. first-person singular present indicative of confirmar




  1. First-person singular (yo) present indicative form of confirmar.
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