Gradation is a 9 letter English word. It's valid Words with friends word worth 13 points.
You can make 496 anagrams from letters in gradation (aadginort).
First recorded in 1530-40, gradation is from the Latin word gradātiōn- (stem of gradātiō). See grade, -ation
Now we have to note that besides variation there is gradation.
It rose with that gradation which so wears down the ardor of almost any horse.
There is no gradation in his giving, and none in his fall; no artistic crescendo.
Without this just gradation, could they be Subjected, these to those, or all to thee?
gradation based on the method of presentation is more nearly possible.
But within that group there is a great deal of gradation—much of it tied to specific timelines within pregnancy.
There is variation everywhere, and wherever there is variation there is gradation.
What curvature is to lines, gradation is to shades and colors.
Maxima of color and their gradation to white, black, and gray.
But think of gradation, even now manifest, (Tibia and Fibula).