I have made a most marvellous discovery.

It is marvellous.

After doing quality work, his average has gone up marvellously.

The band played marvellously under the baton of a new conductor.

The weather is marvellous.

Marvellous.

It's marvellous.

This forum is marvellous.

It was marvellous to meet you.

I love living in this marvellous town.