The phrase "gave one the business" means to confront or scold someone harshly. Antonyms for this expression can be kind, gentle, or positive words. For example, you can say "praised," "complimented," "encouraged," or "commended" to show appreciation to someone. You can also use words like "peaceful," "calm," or "pleasant" to describe a situation where no confrontation occurred. Other antonyms for "gave one the business" include "ignored," "forgotten," and "overlooked," meaning that no attention or action was taken. The use of antonyms can help in expressing different tones and intentions in communication with others.