
1) Arrange 2) Arrange according to grades 3) Arrange by degrees 4) Arrange by quality 5) Arrange in degrees 6) Set up 7) Shade into another color 8) Shade into one another 9) To arrange in order of grades
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https://www.crosswordclues.com/clue/gradate

• (v. t.) To grade or arrange (parts in a whole, colors in painting, etc.), so that they shall harmonize. • (v. t.) To bring to a certain strength or grade of concentration; as, to gradate a saline solution.
Found on
http://thinkexist.com/dictionary/meaning/gradate/
Gra'date transitive verb [ See
Grade .]
1. To grade or arrange (parts in a whole, colors in painting, etc.), so that they shall harmonize.
2. (Chemistry) To bring to a certain strength or grade of concentration; as, to gradate a saline solution.
Found on
http://www.encyclo.co.uk/webster/G/48

[
v] - arrange according to grades 2. [v] - pass imperceptibly from one degree, shade, or tone into another
Found on
http://www.webdictionary.co.uk/definition.php?query=gradate
verb pass imperceptibly from one degree, shade, or tone into another; `The paint on these walls gradates but you don`t see it`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.