Quaker-colored, Spartan, abstaining, abstentious, abstinent, acier, aristocratic, ascetic, ashen, ashy, august, austere, awe-inspiring, balanced, bald, bare, blackish, bland, calm, candid, canescent, cinereous, cinerous, cogitative, cognitive, cold sober, collected, colorless, common, commonplace, commonsense, composed, concentrating, concentrative, conceptive, conceptual, conceptualized, constrained, contemplating, contemplative, continent, controlled, cool, coolheaded, courtly, creamy, dapple-gray, dapple, dappled-gray, dappled, dark-colored, dark, darkish, darksome, decorous, deliberating, deliberative, delicate, demure, detoxify, dignified, dingy, direct, disciplined, dismal, dispassionate, dove-colored, dove-gray, down-to-earth, drab, dreary, dry, dull, dusk, dusky, dusty, earnest, eggshell, eschewing, excogitating, fatal, fateful, flat, forbearing, forgoing, formal, formidable, frank, frowning, frugal, funereal, gentle, glaucescent, glaucous, gloss, grand, grave, gray-black, gray-brown, gray-colored, gray-drab, gray-green, gray-spotted, gray-toned, gray-white, gray, grayed, grayish, grim-faced, grim-visaged, grim, griseous, grizzle, grizzled, grizzly, hard-boiled, hard, hardheaded, heavy, homely, homespun, ideative, imperturbable, imposing, inhibited, introspective, iridescent, iron-gray, judicious, kingly, lead-gray, leaden, lean, levelheaded, light, livid, logical, long-faced, lordly, low-key, magisterial, majestic, matter-of-fact, measured, meditating, meditative, mellow, mental, mild, mild as milk, moderate, mother-of-pearl, mouse-colored, mouse-gray, mousy, museful, musing, nacreous, natural, neat, neutral, nigrescent, no-nonsense, noble, noetic, nonviolent, opalescent, open, pacifistic, pale, pastel, patinaed, peaceable, peaceful, pearl-gray, pearl, pearly, pensive, philosophical, placid, plain-speaking, plain-spoken, plain, pondering, portentous, practical, pragmatic, prehensive, princely, proper, prosaic, prosing, prosy, prudent, pure, queenly, quiet, rational, realistic, reasonable, recover, reflecting, reflective, refraining, regal, repressed, reserved, restrained, royal, ruminant, ruminating, ruminative, rustic, sad, sane, sedate, self-controlled, self-disciplined, self-possessed, semigloss, sensible, serene, serious, severe, silver-gray, silver, silvered, silvery, simple-speaking, simple, slate-colored, slaty, smoke-gray, smoky, sober-minded, sobersided, soft-colored, soft-hued, soft, softened, solemn, somber, sombrous, sound, spare, sparing, speculative, staid, stark, stately, statuesque, steady, steel-gray, steely, stinting, stone-colored, stone-faced, straight-faced, straightforward, subdued, subtle, swart, swarthy, sweet, tame, taupe, teetotal, temperate, tender, thinking, thought, thoughtful, together, tranquil, unadorned, unaffected, undrunk, undrunken, unexcited, unflustered, unidealistic, unimaginative, unimpassioned, uninebriate, uninebrious, unintoxicated, unperturbed, unpoetical, unruffled, unsmiling, untipsy, unvarnished, venerable, weighty, well-balanced, wistful, worthy