Level Definition from Google.
noun
1. a horizontal plane or line with respect to the distance above or below a given point.
2. a position on a real or imaginary scale of amount, quantity, extent, or quality.
adjective
1. having a flat and even surface without slopes or bumps.
2. at the same height as someone or something else.
verb
1. give a flat and even surface to.
2. begin to fly horizontally after climbing or diving.