n.
Function: verb
Inflected Form: grad · ed ; grad · ing
Date: 1659
transitive verb
1 a : to arrange in grades : SORT b : to arrange in a scale or series c : to assign to a grade or assign a grade to
2 : to level off to a smooth horizontal or sloping surface
intransitive verb
1 a : to form a series b : BLEND
2 : to be of a particular grade
– grad · able \ ' gr ā -d ə -b ə l \ adjective