What is another word for "level"?

Roget's Thesaurus (1911) lists these synonyms for "level": abase, abasement, about, accord, accordance, accubation, accumbent, adown, agreement, alkali, all, alluvial, always, and, area, armed, assimilate, azimuth, back, basement, basin, beam, become, below, bend, beneath, bilge, billiard, board, bob, bold, bon, bow, bowling, bring, bush, butte, calm, campagna, campestral.