Definition of adoptional in English:

adoptional

adjective

  • Of or relating to adoption; that is due to adoption.

Origin

Mid 17th century; earliest use found in Thomas Watson (d. 1686), ejected minister. From adoption + -al.

Pronunciation:

adoptional

/əˈdɒpʃ(ə)n(ə)l//əˈdɒpʃən(ə)l/