(transitive, intransitive) To change imperceptibly from one gradation of tone etc. to another. / (transitive) To arrange in order of grades.

simple past tense and past participle of grade

Having been smoothed by a grader. / Forming a series decreasing or increasing in intensity of a given quality.

Alternative spelling of fifth grade

Alternative spelling of sixth grade

Alternative spelling of second grade

Third grade.

Alternative spelling of first grade

Alternative spelling of seventh grade

Alternative spelling of ninth grade