(1):

(v. t.) To make clear or bright by freeing from feculent matter; to defecate; to fine; - said of liquids, as wine or sirup.

(2):

(v. i.) To grow or become clear or transparent; to become free from feculent impurities, as wine or other liquid under clarification.

(3):

(v. t.) To glorify.

(4):

(v. t.) To make clear; to free from obscurities; to brighten or illuminate.

(5):

(v. i.) To grow clear or bright; to clear up.