swiftness, alacrity, suddenness, regularity, unexpectedness, abruptness, ferocity, vehemence, inexorability, brazenness, deliberateness, virulence, immensity, immediacy, slowness, rapidness, sophistication, improbability, acuteness, fluidity, viciousness, complexity, unusualness, effortlessness, concomitant, thoroughness, voracity, boldness, simultaneity, exactitude, consequent, inevitability, equanimity, communicability, sangfroid, celerity, blatancy, incomprehensibility, speed, enormousness, lethality, responsiveness, minuteness, impulsion, haste, speediness, mutability, bloodiness, pervasiveness, ubiquity, indirectness, audaciousness, nonchalance, velocity, deadliness, preciseness, enormity, callousness, inexplicability, insistency, stupefaction, briskness, smoothness, illogic, urgency, imminence, intricacy, frankness, magnitude, promptitude, boundlessness, exponential, banality, ephemerality, disjuncture, decisiveness, haphazardness, precision, sensorium, unpredictability, terseness, passagework, seriousness, savagery, dubiousness, robustness, transmissibility, directness, accelerando, smallness, accelerative, destructiveness, vastness, giddying, arduousness, adaptability, limitlessness, absurdity, whimsicality, strangeness, proportions, endlessness, quickness, promptness, clearness, vividness, steepness, brilliancy, tenacity, agility, distinctness, keenness, leniency, avidity

dispatch, expedition, expeditiousness, fleetness, immediacy, immediateness, instancy, instantaneousness, promptitude, promptness

exploding, fleetness, spirograph

pace, rate

celerity, quickness