According to the philosopher and scientist Charles Peirce (1839-1914) phenomenology is fundamental to all scientific inquiry and association is the only force that exists within the intellect. However, Peirce only gave his reader a hint about the relationship between phenomenology and association. In this article we will try to follow that hint and point towards a couple of main questions that can guide a Peircean phenomenological description of association. Hence, the conclusion of the article will not be a phenomenological description of association but rather a couple of main questions trying to determine how such a phenomenological description can begin in the first place. Our hypothesis is that the questions depend for their construction on the inter-relatedness and interdependence of certain central Peircean phenomenological concepts - especially, Thirdness, Secondness, and Firstness.