“level”

The same height at all places; parallel to a flat ground.

Flat and level.

A measure of the extent of a surface; it is measured in square units.

The state of being free from physical or psychological disease, illness, or malfunction; wellness.

Something actual as opposed to invented.

An institution of higher education that provides facilities for teaching, research, and the conferral of academic degrees across undergraduate, graduate, and often professional levels.

Situated close to, or even below, the ground or another normal reference plane; not high or lofty.

A level of effort beyond what one can usually sustain; great exertion.

To enter a place by force or illicit means.

To board or mount (something), especially a vehicle.

Performing in any activity below one's usual level; behaving in an irregular, inept, or awkward manner; feeling unwell.