The phrase "sending the gallows" refers to the act of executing someone by hanging. There are many synonyms and phrases that can be used instead of "sending the gallows" to describe this act. Some of the common ones include "hanging," "lynching," "noosing," "putting to death," "capital punishment," "death by hanging," and "executing." While these words and phrases may convey the same meaning, they have different connotations and can evoke different emotions. It is crucial to choose the appropriate synonym based on the context and the tone of the message being conveyed.