Definition of vaticinate in English:

vaticinate

verb

[no object]rare
  • Foretell the future.

    ‘he vaticinated a period of peace for the continent’
    ‘he spent much of his time vaticinating on learned panels’
    • ‘The experts vaticinate that, in some years, the European electrical sector will be reduced to five or six groups.’
    • ‘In 6 B.C. he proceeded against the Pharisees who had vaticinated that, with the birth of the Messiah, the reign of Herod would come to the end.’

Origin

Early 17th century: from Latin vaticinat- ‘prophesied’, from the verb vaticinari, from vates ‘prophet’.

Pronunciation

vaticinate

/vaˈtɪsɪneɪt/