Militance refers to a state of aggression and confrontational behavior, often used to signify a strong stance on a particular issue. However, if you need to express the same sentiment differently, there are several synonyms that you can use. Belligerence, bellicosity, truculence, pugnacity, and combativeness all describe a similar attitude: an inclination towards hostile actions or behavior. Other synonyms for militance include defiance, hostility, aggression, confrontational, and combative. Each of these words conveys a sense of not backing down from a challenge or standing up for one's beliefs, without necessarily being violent or aggressive. Therefore, choosing the right synonym for the word "militance" will depend on the context and the intended tone of the message.