There are plenty of synonyms for the term "fall over" which can be used in daily conversation. Some common ways to refer to this would be to trip, stumble, lose your balance, topple, sway, tumble, or take a spill. People may use phrases like "keel over" or "go down" to describe the same thing. Sometimes, if someone "falls over" due to exhaustion or fainting, it can also be referred to as "passing out" or "collapsing." In any circumstance, it is important to be aware of the various ways to describe this action to better communicate and avoid potential accidents.