No one is to leave the Society without the consent of all the rest of us.
7.

The Society is to be kept a profound secret from all the world except us.
8.

The name of our Society is-- And when we got as far as that we all began to talk at once.

Dora wanted it called the Society for Humane Improvement; Denny said the Society for Reformed Outcast Children; but Dicky said, No, we really were not so bad as all that.
Then H.O.said, 'Call it the Good Society.' 'Or the Society for Being Good In,' said Daisy.
'Or the Society of Goods,' said Noel.
'That's priggish,' said Oswald; 'besides, we don't know whether we shall be so very.' 'You see,' Alice explained, 'we only said if we COULD we would be good.' 'Well, then,' Dicky said, getting up and beginning to dust the chopped hay off himself, 'call it the Society of the Wouldbegoods and have done with it.' Oswald thinks Dicky was getting sick of it and wanted to make himself a little disagreeable.

If so, he was doomed to disappointment.