In a warm, friendly, and sincere way; often used in formal invitations or closings.
“You are cordially invited to attend our annual volunteer appreciation dinner.”
“Cordially, James Whitfield, Event Coordinator”
This word often appears in invitation-style letters, such as 'You are cordially invited to...' It helps you quickly identify a friendly, welcoming tone, which is a common correct answer choice for tone questions when the letter is announcing an event.
Synonyms: warmly, graciously, kindly