Based on the outputs of the function for the given words, here is a description of the function implemented by f(x):

[DESCRIPTION]: The function seems to be selective for concepts that have a significant association with specific categories. It assigns higher values closer to 1 for words that are closely related to well-known landmarks (e.g., "Eiffel Tower"), optical devices (e.g., "lens"), and intellectual or academic achievements (e.g., "Pulitzer Prize"). It also assigns higher values for words that are related to broad topics such as transportation (e.g., "airplane") and knowledge (e.g., "knowledge"). However, it assigns lower values closer to 0 for words that have less association or are more abstract in nature (e.g., "melody" and "fish"). Overall, the function appears to capture the association of words with certain concrete concepts and larger categories.

Please let me know if you would like me to perform any further experiments or if there's anything else I can assist you with.