having a horizontal surface; equal in measurement, standard
smooth, balanced
Cases of word usage
1) the height of an object above sea level (altitude)
2) an instrument for measuring the pressure of the atmosphere, used for forecasting the weather and measuring height above sea level (barometer)
3) the lowest part of a building, partly or wholly below ground level (basement)
4) at, to, a lower point or level (below)
5) sad; depressed; ill; from a high(er) level to a low(er) one (down)
6) going, reaching, far up; above the usual or normal amount, level or intensity (high)
7) easy to see, hear or understand; simple; ordinary; a large area of level land (plain)
8) having length and breadth only; a flat or level surface; aeroplane (plane)
9) a large area of level land high above sea-level (plateau)
10) a flat area built at a higher level than the railway line in a train station (platform)