What is another word for "normal"?

Roget's Thesaurus (1911) lists these synonyms for "normal": angle, angles, azimuth, bolt, circle, cliff, cock, common, commonness, conformity, customary, elevation, end, endwise, erect, erection, erectness, familiarity, frequency, habit, its, line, natural, naturalness, normalcy, one, orthogonal, pattern, perpendicular, perpendicularity, plumb, plummet, precipice, prototype, raise, rampant, rear, rectangular, render, right.