Disqualify means to remove someone from a competition, job or position of authority because they do not meet the requirements. The antonyms of disqualify are 'qualify' and 'validate'. Qualify means to meet the requirements for a particular task or role, and validates means to approve or confirm something as being legitimate or true. It is important to understand and use these antonyms effectively in order to convey a positive message. For instance, if a candidate meets all the requirements, they can be qualified for the job or position. And if a document is confirmed to be legitimate and valid, it can be considered as reliable evidence.