Straightforward; frank or candid, Not pretentious; unaffected, Not dyed, twilled, or patterned, noun_ An extensive, level, usually treeless area of land, An extent of level, or nearly level, land; a region not noticeably diversified with mountains, hills, or valleys, Something free of ornamentation or extraneous matter, transitive verb_ rare To plane or level; to make plain or even on the surface, To make plain or manifest; to explain