Sweep aside is a phrase that implies moving something or someone forcefully out of the way. Its antonyms would involve slowing down, stopping, or showing consideration for the object, person, or idea in question. Antonyms of sweep aside may include embrace, entertain, ponder, reflect, reconsider, or dwell on. These words suggest a pause or a thoughtful contemplation about something that might have been easily dismissed. An antonym for sweep aside could also be engage or involve, which means to fully immerse oneself in a task or an idea. Whatever the antonym may be, it implies a sense of giving attention, value, or significance to something that might have been easily disregarded otherwise.