20 of course synonyms include naturally, as might be expected, as you/one would expect, needless to say, not unexpectedly, certainly, and obviously. Of course is an adverb, and its antonyms are not at all and definitely not. Here are some additional synonyms for "of course" with example sentences.
20 other ways to say of course.
He smiled and said, of course.
of course, I’ll help you out.
She agreed, saying of course immediately.