That all depends on what kind of invitation (that is, the occasion or event), what sort of relationship you have with the host and what sort you would like to continue to have, and your reason for declining.
A lifelong friend inviting you to his father's wedding, your son's fiancee's parents inviting you to dinner, a coworker inviting you to a lingerie party, and a neighbor inviting you to her church would all call for different responses unless your answer is an enthusiastic "Yes, thank you!"
Dear Friends, Many thanks for you invitation but I will not be able to attend
Hit decline
A homograph for "deny" is "denied" as in "they denied the allegations." A homograph for "decline" is "declined" as in "she declined the invitation."
You decline an RSVP invitation by sending a note in which you say that you regret you are unable to attend.
If you receive a housewarming ceremony invitation, you have two choices. You can write a short note accepting the invitation or you can decline.
Because he was not a starter.
medical reason
You thank them for inviting you and give a reason why you won't be attending.
I sold my stock when the market showed a sudden decline.
An email invitation should always be responded to with gratitude. Whether you will accept or decline the interview you should offer thanks for the invitation.
say yu have better more important things to do.
To go down or decrease, or to turn down an invitation.