Antonyms of INVALIDATE

Examples of usage:

  1. It does not in any way invalidate the truth that a small brain with a simple pattern of convolutions is a less capable organ than the large brain with a complex pattern. "The Black Man's Place in South Africa" by Peter Nielsen
  2. Does that invalidate it? "Mr. Meeson's Will" by H. Rider Haggard
  3. Her acceptance of the terms of annexation proposed by the United States does not discharge or invalidate the claim. "Complete State of the Union Addresses from 1790 to the Present" by Various
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