Substantial. Real, solid, true, existing, essential; corporeal, material; strong, stout, resourceful, massive, tangible, bulky; sensuous.
Ant. Imaginary, unreal, insubstantial, fictitious, supposititious, immaterial, weak, chimerical, visionary, spiritual, disembodied, ghostly.
Subtle. Artful, crafty, cunning, shrewd, sly, wily; astute, guileful, discriminating, insinuating, sophistical.
Ant. Frank, honest, open, sincere, artless, undiscriminating, undiscerning, simple, direct, blunt, unsophisticated.
Subvert. Destroy, ruin, supplant, suppress, supersede, extinguish, overthrow, overturn.
Ant. Conserve, preserve, uphold, sustain, keep, perpetuate.
Succeed. Follow, pursue; ensue, result, be subsequent; descend, devolve; gain, acquire, attain, obtain, achieve, accomplish; supervene; flourish, prosper, thrive.
Ant. Precede, anticipate, antecede; fail, deteriorate, be lacking, lose, miss, disappoint, be deficient in; decline, wane, decay.
Succession. Succeeding, series, sequence, order; lineage, descent; following, continuity, consecution, rotation, regularity.
Ant. Antecedence, precedence, anticipation, forerunning, prevention; disorder, irregularity, non-sequence, intermission, gap, failure, inconsecutiveness.