Great, let's start by analyzing the output of the function for each input word. Based on the output, it seems that the function is selective for the concept of "temperature". The output for the input word "temperature" is 0.1209, which is one of the highest values returned by the function for any input word. Additionally, the function seems to be less selective for other concepts, such as "stems" and "rhythym", as evidenced by the lower output values for these input words.

Based on this analysis, I would describe the function implemented by f(x) as follows:
[DESCRIPTION]: The function f(x) takes a word as input and returns a value between 0 and 1 indicating the degree of association between the input word and the concept of "temperature". The function is less selective for other concepts, such as "stems" and "rhythym".
Please provide more input words to test and confirm or refute this description.