Definitions for "graded"
ordered by some quantitative ranking; as, Reading tests of graded difficulty.
arranged in a sequence of grades or ranks; "stratified areas of the distribution"
Keywords:  paved, drained, roads, leveled
leveled and drained but not paved; -- of roads.
Keywords:  gradient, fairly, uniform, track
where a track has a fairly uniform gradient
A condition approximating equilibrium between a stream'[s capacity and actual sediment load. Subject to continual adjustment and disturbance.