earliness

from WordNet (r) 3.0 (2006)

earliness
    n 1: quality of coming early or earlier in time [ant:
         {lateness}]

from The Collaborative International Dictionary of English v.0.48

Earliness \Ear"li*ness\, n.
   The state of being early or forward; promptness.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

28 Moby Thesaurus words for "earliness":
      anachronism, antecedence, antecedency, antedate, antedating,
      anteriority, anticipation, earlier state, historical error,
      lateness, metachronism, misdate, misdating, mistiming,
      parachronism, past time, postdating, precedence, precedency,
      precession, predating, preexistence, priority, prochronism,
      prolepsis, status quo ante, tardiness, unpunctuality