Horizontality(n.) The state or quality of being horizontal.
Thesaurus Entries
abnegation, abstinence, accordance, balance, bilateral symmetry, calm, calmness, clockwork regularity, coequality, coextension, conformity, congruity, conservatism, consistency, consonance, constancy, constraint, continence, continuity, control, cool, correspondence, dispassion, downiness, dynamic symmetry, equability, equality, equanimity, equation, equilibrium, equipoise, equipollence, equiponderance, equity, equivalence, equivalency, eurythmics, eurythmy, finish, flatness, flushness, frictionlessness, gentleness, glabriety, glabrousness, glossiness, golden mean, greasiness, happy medium, harmony, homogeneity, horizontalism, horizontality, horizontalness, identity, impartiality, judiciousness, juste-milieu, justice, keeping, lenity, levelness, likeness, lubricity, meden agan, methodicalness, middle way, mildness, moderateness, moderation, moderationism, monolithism, multilateral symmetry, neutrality, nonviolence, nothing in excess, oiliness, pacifism, par, parallelism, parity, persistence, planeness, poise, polarity, proportion, proportionality, prudence, punctuality, regularity, repetition, repose, restraint, satininess, self-abnegation, self-control, self-denial, self-restraint, serenity, shapeliness, silkiness, sleekness, slickness, slipperiness, smoothness, sobriety, stability, steadfastness, steadiness, suavity, symmetricalness, symmetry, systematicalness, temperance, temperateness, tranquillity, trilateral symmetry, unexcessiveness, unextravagance, unextremeness, uniformity, unity, unruffledness, velvetiness, via media