winnow Synonyms

winnowing cull out sifting fan put on one side sift sieve separate select segregate screen riddle refine purify puff sifter sort strain fans soak through single out sift out opt metastasize bolt out sort out air-cool air-condition pick out strainer pick parse depurate culls cull culling cribrate contradistinguish comb colander clean clarify bolt blow anatomize disperse divide optate investigate insulate