English
imaginational
From imagination + -al.
Formed from imagination + -al
Proto-Indo-European *h₂eym- ‘to imitate’
…
Latin imāginor ‘to imagine, conceive’
Latin imāginātiō ‘mental image, fancy, imagination’
Old French imaginacion
Middle English ymaginacioun ‘the ability to create mental images’
English imagination
Today it means
adj Pertaining to, involving, or caused by imagination; imaginary.
Language periods are conventional ranges, not dates for this word.
Etymograph / imaginational