The word "de-finer" refers to someone who provides a clear and distinct definition. Synonyms for this term include "definitor," "explicator," "interpreter," and "clarifier." A definitor is someone who establishes the meaning of something, while an explicator is someone who makes the meaning clear and understandable. An interpreter is someone who translates and explains something in a different language or context, while a clarifier is someone who illuminates and simplifies something. All of these terms emphasize the importance of providing clear and accurate definitions, which is essential in education, law, and other fields where precise language is essential.