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See also: placò, plaĉo, and płaco



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  • IPA(key): /ˈplat͡so/
  • Hyphenation: pla‧co
  • Rhymes: -at͡so
  • (file)


placo (accusative singular placon, plural placoj, accusative plural placojn)

  1. public square, town square, plaza

Derived termsEdit




placo (plural placi)

  1. public square, plaza




Traditionally uncertain. The relation with Proto-Indo-European *pleh₂- (wide and flat) offered by Pokorny is rejected by De Vaan, who suggests Proto-Indo-European *pl(e)Hk- (pleasingness or permission), with only Tocharian relatives. If the laryngeal is h₂, a semantically difficult relationship could be drawn to Proto-Indo-European *pl̥h₂k- (to hit), whence Ancient Greek πλήσσω (plḗssō, I strike). Related to placeō.



plācō (present infinitive plācāre, perfect active plācāvī, supine plācātum); first conjugation

  1. I appease
  2. I placate, pacify, assuage
  3. I reconcile


   Conjugation of placo (first conjugation)
indicative singular plural
first second third first second third
active present plācō plācās plācat plācāmus plācātis plācant
imperfect plācābam plācābās plācābat plācābāmus plācābātis plācābant
future plācābō plācābis plācābit plācābimus plācābitis plācābunt
perfect plācāvī plācāvistī plācāvit plācāvimus plācāvistis plācāvērunt, plācāvēre
pluperfect plācāveram plācāverās plācāverat plācāverāmus plācāverātis plācāverant
future perfect plācāverō plācāveris plācāverit plācāverimus plācāveritis plācāverint
passive present plācor plācāris, plācāre plācātur plācāmur plācāminī plācantur
imperfect plācābar plācābāris, plācābāre plācābātur plācābāmur plācābāminī plācābantur
future plācābor plācāberis, plācābere plācābitur plācābimur plācābiminī plācābuntur
perfect plācātus + present active indicative of sum
pluperfect plācātus + imperfect active indicative of sum
future perfect plācātus + future active indicative of sum
subjunctive singular plural
first second third first second third
active present plācem plācēs plācet plācēmus plācētis plācent
imperfect plācārem plācārēs plācāret plācārēmus plācārētis plācārent
perfect plācāverim plācāverīs plācāverit plācāverimus plācāveritis plācāverint
pluperfect plācāvissem plācāvissēs plācāvisset plācāvissēmus plācāvissētis plācāvissent
passive present plācer plācēris, plācēre plācētur plācēmur plācēminī plācentur
imperfect plācārer plācārēris, plācārēre plācārētur plācārēmur plācārēminī plācārentur
perfect plācātus + present active subjunctive of sum
pluperfect plācātus + imperfect active subjunctive of sum
imperative singular plural
first second third first second third
active present plācā plācāte
future plācātō plācātō plācātōte plācantō
passive present plācāre plācāminī
future plācātor plācātor plācantor
non-finite forms active passive
present perfect future present perfect future
infinitives plācāre plācāvisse plācātūrus esse plācārī plācātus esse plācātum īrī
participles plācāns plācātūrus plācātus plācandus
verbal nouns gerund supine
nominative genitive dative/ablative accusative accusative ablative
plācāre plācandī plācandō plācandum plācātum plācātū



  • placo in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • placo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • placo in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to reconcile two people; to be a mediator: placare aliquem alicui or in aliquem
    • to appease the anger of the gods: deos placare (B. G. 6. 15)
    • (ambiguous) to be in a bad temper: sibi displicere (opp. sibi placere)





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