Sentence:  It is so easy to think that a "boule" must involve <WSD>probouleutic</WSD> activity. This normally meant that a "boule" not only considered in advance the subjects to be dealt with in the meetings of the assembly, but actually drew up the bills to be voted on by the assembly. 
Meaning of the word marked with <WSD> tags:  Relating to the Ancient Greek council, which held preliminary discussions before submitting matters to the general assembly.