THESAURUS
median
amidships, average, balance, banal, center, centermost, central, common, core, diameter, diaphragm, equator, equatorial, equidistant, generality, golden mean, halfway, happy medium, heart, intercurrent, interior, interjacent, intermediary, intermediate, intervenient, intervening, juste-milieu, kernel, mean, medial, mediocre, mediocrity, mediterranean, medium, mesial, mesne, mezzo, mid, middle, middle course, middle ground, middle point, middle position, middle state, middle-of-the-road, middlemost, middling, midland, midmost, midpoint, midriff, midships, midst, midway, moderate, norm, normal, nuclear, nucleus, ordinary, par, routine, rule, run, standard, thick, thick of things, usual, via media, waist, waistline, zone
ROGET THESAURUS
median
Mean
N
mean, average,
median, mode, balance, medium, mediocrity, generality, golden mean middle, compromise, middle course, middle state, neutrality, mediocrity, least common denominator, mean, intermediate, middle, average, neutral, mediocre, middle-class, commonplace, on an average, in the long run, taking one with another, taking all things together, taking it for all in all, communibus annis, in round numbers, medium tenuere beati.
Middle
N
middle, midst, mediety, mean, medium, middle term, center &c, mid-course, mezzo termine, juste milieu, halfway house, nave, navel, omphalos, nucleus, nucleolus, equidistance, bisection, half distance, equator, diaphragm, midriff, intermediate, middle, medial, mesial, mean, mid,
median, average, middlemost, midmost, mediate, intermediate, equidistant, central, mediterranean, equatorial, homocentric, in the middle, midway, halfway, midships, amidships, in medias res.