a posteriori

a pos·​te·​ri·​o·​ri | \ˌä-(ˌ)pō-ˌstir-ē-ˈȯr-ē, -ˌster-;ˌā-(ˌ)pä-ˌstir-ē-ˈȯr-ˌī, -(ˌ)pō-, -ˈȯr-ē \

Definition of a posteriori 

1 : inductive

2 : relating to or derived by reasoning from observed facts — compare a priori

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Other Words from a posteriori

a posteriori adverb

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A posteriori, Latin for "from the latter", is a term from logic, which usually refers to reasoning that works backward from an effect to its causes. This kind of reasoning can sometimes lead to false conclusions. The fact that sunrise follows the crowing of a rooster, for example, doesn't necessarily mean that the rooster's crowing caused the sun to rise.

First Known Use of a posteriori

1588, in the meaning defined at sense 1

History and Etymology for a posteriori

Latin, literally, from the latter

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Time Traveler for a posteriori

The first known use of a posteriori was in 1588

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a posteriori


English Language Learners Definition of a posteriori

: relating to what can be known by observation rather than through an understanding of how certain things work

Comments on a posteriori

What made you want to look up a posteriori? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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