Definition of opportuneful in English:
opportuneful
adjective
rare Affording opportunity; convenient, favourable.
Pronunciation
opportuneful
/ɒpəˈtjuːnf(ʊ)l/ /ɒpəˈtʃuːnf(ʊ)l/ Origin
Early 17th century; earliest use found in First Part of Jeronimo. From opportune + -ful.