(n.) The quality or state of being punctual; especially, adherence to the exact time of an engagement; exactness.

accuracy acuity acuteness agility alacrity alertness attention attention to detail attentiveness brightness circumstantiality clockwork regularity conscientiousness constancy correctness criticality criticalness decisiveness delicacy detail dispatch evenness exactingness exactitude exactness expedition expeditiousness exquisiteness finicality finicalness finickiness finickingness fussiness immediacy immediateness instantaneousness keenness methodicalness meticulousness minuteness niceness nicety nimbleness particularity particularness preciseness precisianism precision promptitude promptness punctiliousness punctualness quickness rapidity readiness refinement regularity repetition rigidness rigor rigorousness scrupulosity scrupulousness sharpness sleeplessness smartness smoothness speediness steadiness strictness subtlety summariness swiftness systematicalness uniformity wakefulness