Found 2 items, similar to aggrade.
English → English (WordNet) Definition: aggrade aggrade v : build up to a level by depositing sediment [ant: degrade]
English → English (gcide) Definition: Aggrade Aggrade \Ag*grade"\, v. t. [imp. & p. p. Aggraded; p. pr. & vb. n. Aggrading.] (Phys. Geog.) To bring, or tend to bring, to a uniform grade, or slope, by addition of material; as, streams aggrade their beds by depositing sediment. [Webster 1913 Suppl.]