Sentence:  As to the monotheistic attitude of Alkmaeon, this is not very surprising, for he was a Pythagoreon, also a mystic with pantheistic tendencies, adhering firmly to the oneness of the whole existence and was known as a bitter and avowed enemy of polytheism and <WSD>polypragmatism</WSD> — the belief that nature has various creative forces. 
Meaning of the word marked with <WSD> tags:  The use of multiple approaches to a single issue.