that honourable society
From chapter 9 of the Tale of a Tub

At first sight this appears to refer to Bedlam; but there is no other word which would lead us to fancy that Swift professed to write in the character of a former inmate of the madhouse, unless we suppose the passage on p. 174, 1. 26, to imply this, which it scarcely does. The words would seem rather to refer to the Society of Modern Authors ("We, whom the world is pleased to honour with the title of modern authors," see p. 139, 1. 30) or wits, for whose special interest it is that all the genius of the age, including what may be contributed by Bedlam, should have free scope.