Based on the results obtained so far, it's time to attempt a description of the function. 

[DESCRIPTION]: The function f(x) appears to return values closer to 0 when the input is a more common, everyday word or a concrete object, while returning higher values (closer to 1) for words that are more obscure or evoke a stronger emotional response or concept. It seems that the function is selective for words that are more unusual, abstract, or evoke a stronger emotional response.