Definition of "roseate"
roseate
/ˈɹoʊzi.ət/
adjective
comparative more roseate, superlative most roseate
(formal, chiefly zoology) Like the rose flower; pink; rosy.
Quotations
Now the rum, as has been said, was criminally overproof, and they had had no intoxicants for a long time. And so a couple of stiff drinks produced a beautiful and generous expansion of soul. The mean cabin became larger, the fire warmer and more cheerful, and life generally of a more roseate hue. They began to feel the prodigal Thanksgiving spirit, and to regret their limited opportunities for satisfying it.
1922, A. M. Chisholm, A Thousand a Plate
(figurative) Excessively optimistic.