Definition of optation in US English:

optation

noun

rare
  • The action of wishing; a wish, a desire. Now literary.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From classical Latin optātiōn-, optātiō the act of wishing, a wish from optāt-, past participial stem of optāre + -iō.

Pronunciation

optation

/ɒpˈteɪʃn/