Activity of Hana

I have booked: A ceremony site (Radisson Admiral Toronto Harbourfront the Atrium Room) A reception (Mariposa Cruises) Photography (Palys Media) Hair/Makeup (Dolluxe Beauty) A Harpist (Caroline Debono) An officient (All Season Weddings) I really...

Is there a way to change the RSVP wording to be more traditional such as delightfully accepts or regretfully declines? I accept is okay, but I don't accept seems a bit harsh of wording for those that can't make it?