punctuality

punctuality
    n 1: the quality or habit of adhering to an appointed time [syn:
         {punctuality}, {promptness}] [ant: {tardiness}]
    

Punctuality \Punc`tu*al"i*ty\, n. [Cf. F. ponctualit['e].]
   The quality or state of being punctual; especially, adherence
   to the exact time of an engagement; exactness.
   [1913 Webster]
    

76 Moby Thesaurus words for "punctuality":
      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