Kiboshed is a colloquial term that means 'to put a stop to something or thwart a plan.' One of the most common antonyms for kiboshed is 'permitted' which means 'to allow or give permission.' Other antonyms for kiboshed include 'approved,' 'sanctioned,' 'green-lighted,' 'authorized,' 'validated,' 'endorsed,' 'ratified,' 'legalized,' and 'certified.' All of these words convey the opposite of kiboshed, suggesting that something is approved and allowed, rather than prohibited or terminated. In summary, while kiboshed denotes the end of something, its antonyms indicate the opposite - the beginning or continuation of something.