My favorite page:
http://www.totopoetry.com/search.asp?word=truth
I have used this approach to write definitions as well (www.websters-online-dictionary.org)
The following contrasts definitions of zealously:
1. In a zealous manner. [Human]
2. In an enthusiastic, fervid, ardent or fervent manner. [graph theoretic]
3. In a fanatical manner. [graph theoretic]
In many of the langauges/subjects we work in there is very little content published. We avoid areas where there are substanial titles availability already.