'Earliness' definitions:

Definition of 'earliness'

From: WordNet
noun
Quality of coming early or earlier in time [ant: lateness]

Definition of 'Earliness'

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

Synonyms of 'earliness'

From: Moby Thesaurus