gradate

verbs

arrange according to grades
"These lines are gradated"
is derived from
is derived from
is a type of (narrower)
put into a proper or systematic order
"arrange the books on the shelves in chronological order"
pass imperceptibly from one degree, shade, or tone into another
"The paint on these walls gradates but you don't see it"
is a type of (narrower)
undergo a change; become different in essence; losing one's or its original nature
"She changed completely as she grew older"; "The weather changed last night"