Persuade, encourage, welcome.
The word "invited" is the past participle of invite.
The one word for a person who has not been invited is the gatecrasher.
No, it is not an adverb. Invitation is a noun.
inquire, query, question, interrogate, examine, directions, quiz
The word invited is a verb. It is the past tense of the verb invite.
I was invited to my friend's birthday party.
When trying to find the solution to a grammar question, the trick is to figure out if the word you are using is a singular word or a plural word, The word "couple" is a singular word - you have one couple. Therefore, you would say "The couple was pleased to be invited."
It was difficult to figure out which were the invited guests and which were not.
You are cordially invited to answer this question.
Guest.
I want to invite you out for a drink. Were you invited to the wedding?
To answer your question I have to ask another question, What is the evidence that you have been invited? We need more information.