gradate verb.
[grǝ'deɪt] M18.[Back-form. from GRADATION.]1. verb trans. & intrans. (Cause to) pass by imperceptible degrees from one shade of colour to another.
M18.■ J. Ruskin Take the two extreme tints and carefully gradate the one into the other.2. verb trans. Arrange in steps or grades. Usu. in
pass. M19. [TahlilGaran] English Dictionary ▲