Definition of "gradate" [gra•date]

To pass imperceptibly from one degree, shade, or tone to another. (verb-intransitive)
To cause to pass imperceptibly from one degree, shade, or tone to another. (verb-transitive)
To arrange in or according to grades. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "gradate" in a sentence

"MR. MCCURRY: We kind of gradate the way we do this and we're at the senior advisers recommend veto level at this point."
"Well, lets see: tons of post-gradate education; years of experience as a park ranger and biology teacher; extensive familiarity with hundreds of problematic exotic species; an outdoors nut; tough as nails; tons of public speaking experience."
"Newton observed that the hues gradate smoothly into each other."

Words like "gradate"