Isolation is a term that is commonly used to describe being separated from others. There are many words that can be used as synonyms for "put in isolation". Some common ones include quarantine, seclude, separate, segregate, and insulate. These words all describe the act of being separated from others for one reason or another. Quarantine refers to being isolated due to an illness or disease, while seclude and separate both refer to being secluded from others in a certain area. Segregate refers to separating based on race or ethnicity, while insulate refers to being protected from something harmful. Overall, there are many words that can be used as synonyms for "put in isolation", each with slightly different connotations.