The term "haddest a meet" is an outdated phrase that means to have a meeting or rendezvous with someone. However, there are many synonyms for this phrase that can be used in modern language. Some common synonyms for "haddest a meet" include "had a meeting," "scheduled a rendezvous," "arranged a meetup," "planned a get-together," "set up a conference," "organized a gathering," and "made arrangements to meet." These synonyms can be used to describe different types of meetings and rendezvous, from professional conferences to casual get-togethers with friends. By choosing the right synonym, you can communicate the purpose and tone of the meeting more effectively.