Another word for "overall" used in the context of "in conclusion" can be expressed with various alternatives such as "all in all," "in summary," "on the whole," "as a whole," and "broadly speaking." These phrases serve well in concluding statements to summarize or wrap up the key points. Other useful alternatives for "in conclusion" include "ultimately," "to summarize," "in closing," "finally," "lastly," and "at the end of the day," all of which help transition to a final summarizing thought effectively.
