When it comes to finding synonyms for the term "whistle stopping," there are quite a few options to choose from. Some alternative phrases for whistle stopping include campaigning, stump-speaking, politicking, barnstorming, and grass-rooting. Each term carries a slightly different connotation and emphasizes a particular approach to political or public communication. Campaigning and politicking are both more formal and structured than whistle stopping, while stump-speaking and barnstorming evoke a more informal, impromptu style of speech. Grass-rooting emphasizes a focus on building support from the ground up, rather than relying on elite or established political networks. Ultimately, the choice of synonym will depend on the specific context in which the term is being used.