'For the better' definitions:

Definition of 'For the better'

From: GCIDE
  • Better \Bet"ter\, n.
  • 1. Advantage, superiority, or victory; -- usually with of; as, to get the better of an enemy. [1913 Webster]
  • 2. One who has a claim to precedence; a superior, as in merit, social standing, etc.; -- usually in the plural. [1913 Webster]
  • Their betters would hardly be found. --Hooker. [1913 Webster]
  • For the better, in the way of improvement; so as to produce improvement. "If I have altered him anywhere for the better." --Dryden. [1913 Webster]