Definition of "of course" []

• Indicates enthusiastic agreement. (adverb)
• Acknowledges the validity of the associated phrase. (adverb)
• Asserts that the associated phrase should not be argued, particularly if it is obvious or there is no choice in the matter. (adverb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Others who visited Stuey during his three-week stay at the Horseshoe included Phil Earle, Phil Hellmuth, Bob Stupak, and of course Billy Baxter."
• "Pressed in the Commons by Labour's deputy leader, Harriet Harman, to accede to a public inquiry, Clegg said: "If there are wider issues that need to be looked at once the police investigation is complete, of course we can return to them.""
• "Even the dopey principal in The Breakfast Club, when addressing the group serving detention, derisively calls them all “girls,” when there are of course only two “real” girls present Molly Ringwald and Ally Sheedy."