Definitions
1.NounA largely level expanse of land at a high elevation; tableland.
2.NounA comparatively stable level after a period of increase.
3.NounAn ornamental dish for the table; a tray or salver.
4.NounA notable level of attainment or achievement.
5.NounAny of several distinct, dose-dependent stages of a dextromethorphan trip.
6.VerbTo reach a stable level after a period of increase; to level off.