a priori
adjective, adverb/ˌeɪ praɪˈɔːraɪ/
/ˌɑː priˈɔːri/
(from Latin, formal)- using facts or principles that are known to be true in order to decide what the likely effects or results of something will be, for example saying ‘They haven’t eaten anything all day so they must be hungry.’
- an a priori assumption
Word Originlate 16th cent.: Latin, ‘from what is before’.
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a priori