Definition of pro confesso in English:

pro confesso

Pronunciation /ˌprəʊ kənˈfɛsəʊ/

adverb

US Law
  • As if confessed or admitted.

Origin

Late 16th century; earliest use found in John Bridges (?1536–1618), bishop of Oxford. From classical Latin prō pro + confessō, ablative of confessus, past participle of confītērī to confess.