fortunate

 /ˈfɔː.tʃən.ət/

lucky:

[ + to infinitive ] You're very fortunate to have found such a nice house.

fortunate in 

He was fortunate in his choice of assistant.

[ + that ] It was fortunate that they had set out early because the traffic was terrible.

fortunately

happening because of good luck:

Fortunately, we got home before it started to rain.

Fortunately, no one was in the building when it collapsed.

Fortunately, my coat was still where I had left it.

Fortunately, the ball just missed the window.

Fortunately, we got to the shop just before it shut.