The phrase "attending dinner" is correct and usable in written English.
It can be used when referring to the act of being present at a dinner event or gathering.
Example: "I will be attending dinner at my friend's house this weekend."
Alternatives: "going to dinner" or "joining for dinner".
I recall clearly attending dinner parties in this period with my wife, an extremely witty woman, where everyone was mocking poor Norman.
Mr. Brown spent months courting Republicans — inviting them to his Sacramento apartment, attending dinner and cocktail parties with them, meeting with them and, until very recently, he was careful not to criticize them.
The contrast between Sanghera's recollections about his life in London, interviewing celebrities and attending dinner parties with his media buddies, and the warm, painfully personal exposition of family life is telling.
With his wife, Judi, a partner in a public relations company, he is out on the town almost every night of the week, seeing new plays and attending dinner parties.
You simply choose the restaurant, the number of people attending dinner, and buy the table.
Some of my most awkward moments included having my first date since Y2K, attending dinner parties as the sole single person, telling the neighbors we were divorced and assembling an electric edger upside down.
He has been receiving awards and attending dinners in his honor every week.
They had lavish living quarters and generous salaries, and many had few duties beyond attending dinners and parties.
But he stuck with it, attending dinners with the rabbi and beginning to observe the Sabbath and other Jewish laws.
But he remains quite attached to the star study group he put together all those years ago, faithfully attending dinners the men hold every five years.
Her years as second lady were largely spent attending dinners with foreign dignitaries and traveling with her husband.
