What is another word for "alluvial"?

Roget's Thesaurus (1911) lists these synonyms for "alluvial": accubation, accumbent, alkali, all, alluvion, alluvium, ancon, area, ashore, azimuth, back, bank, basin, beach, beam, billiard, bowling, bush, butte, calm, campagna, campestral, campestrian, chalk, champaign, chersonese, clay, cledge, clod, clot, coast, coastal, come, common, continent, continental, couch, couchant, country, crag.