The phrase "faced down" can be replaced by several synonyms depending on the context of its usage. In the context of a conflict or stand-off, "confronted" or "challenged" can be used as a substitute. In a legal setting, "opposed" or "disputed" can be used instead. Similarly, in a sporting event or performance, "defeated" or "overcame" can be used in place of "faced down." Additionally, "conquered," "subdued," "vanquished," and "beaten" all have similar meanings to "faced down" and can be used interchangeably. Whether it's in a physical, mental, or competitive setting, there are many synonyms that can replace "faced down" to convey a similar sense of overcoming or triumphing over an obstacle.