The phrase "put on one side" means to set something aside or to refuse to consider it. Some synonyms for this phrase are "ignore," "disregard," "overlook," "discount," and "brush aside." When we put something on one side, we are consciously choosing to not give it our full attention or to not prioritize it. Other synonyms for this phrase include "shelve," "defer," "postpone," and "defer to." These synonyms suggest that the thing being put on one side may still be important, but it is not a priority at the moment. Overall, the phrase "put on one side" can be swapped for multiple synonyms depending on the context.