The phrase "kick over" can be used to describe the act of knocking something over or causing it to fall down. Some synonyms that can be used to describe this action include "topple," "upend," "overturn," "capsize," "tip over," and "knockdown." These words can be used in a variety of contexts, from describing a person accidentally knocking over a vase to detailing the effects of a strong wind gust that upends outdoor furniture. Whatever the situation may be, using different synonyms for "kick over" can help add variety and color to your writing or conversation.