When it comes to showing determination and commitment to a particular idea or principle, the phrase "nail colors to the mast" is often used. However, there are other synonyms that can be used interchangeably with this expression. For instance, some people prefer to use the phrase "plant one's flag," which also denotes staking a claim and demonstrating unwavering allegiance to a certain belief. Other similar expressions include "planting a stake," "taking a stand," and "sticking to one's guns." Regardless of the wording used, the underlying meaning remains the same - a firm declaration of intent and a willingness to stand up for one's convictions, no matter what.