Thoreau is a name that is often associated with transcendentalism, nature, and the writings of Henry David Thoreau. There are many synonyms for the word Thoreau that can be used in different contexts. One synonym for Thoreau could be "nature enthusiast" or "environmentalist." Other synonyms for Thoreau might include "philosopher," "writer," "poet," "rebel," or "nonconformist." These words all capture different aspects of Thoreau's persona and what he stood for during his lifetime. Additionally, they can be used to describe individuals who share some of Thoreau's beliefs and values, or who aspire to make a positive impact on the environment and society.