"Foot it" is an outdated slang term that means to walk or travel by foot. There are several synonyms that can be used in place of this phrase. For instance, "hoof it," "tramp," "trek," "march," "step," "stroll," "amble," "saunter," "wander," "roam," and "hike." These words can be used interchangeably with "foot it" to add variety and depth to one's writing or conversation. The use of different synonyms for "foot it" can also help to convey a specific tone or attitude, such as urgency, leisurely pace, or a sense of exploration and adventure.