Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class II. Words Relating to SpaceSection II. Dimensions
2. Linear Dimensions
212. Verticality.
NOUN:VERTICALITY; erectness &c. adj.; perpendicularity, aplomb; right angle, normal; azimuth, circle.CLIFF, steep, crag, bluff, palisades; wall, precipice.
ELEVATION, erection; square, plumb line, plummet.
VERB:BE VERTICAL &c. adj.; stand -up, – on end, – erect, – upright; stick up, cock up.
RENDER VERTICAL &c. adj.; set up, stick up, raise up, cock up; erect, rear, raise, pitch, raise on its legs.
ADJECTIVE:VERTICAL, upright, erect, perpendicular, unrecumbent [rare], plumb, normal, straight, bolt upright; rampant; straight up; standing up &c. v.; rectangular, orthogonal.
ADVERB:VERTICALLY &c. adj.; up, on end; up -, right- on end; à plomb [F.], endwise; on one’s legs; at right angles.