Based on the output of the function for the provided words, here is a description of the function:

[DESCRIPTION]: The function implemented by f(x) appears to be selective for multiple concepts. 

1. Concept 1: Planets and Stars
   The function returns values close to 1 for the words "planets" and "stars" (0.9961 and 0.9962 respectively), indicating a strong association with these celestial bodies.

2. Concept 2: Pacific Ocean
   The word "Pacific Ocean" returns a value of 0.1968, which suggests some level of association with this specific ocean.

3. Concept 3: Mountains
   The word "mountains" returns a relatively lower value of 0.0119, indicating a weaker association with mountains.

4. Concept 4: Reddit
   The word "Reddit" returns a value of 0.0159, suggesting a moderate association with the online platform.

5. Concept 5: Pilot
   The word "pilot" returns a value of 0.0077, indicating a moderate association with the profession of being a pilot.

6. Concept 6: Humidity, NFL, Dribble, and Accessibility
   The words "humidity", "NFL", "dribble", and "accessibility" return relatively low values (0.0005, 0.0002, 0.0003, and 0.0024 respectively), indicating a weak or negligible association with these concepts.

It seems that f(x) is selective for concepts related to celestial bodies (planets and stars), the Pacific Ocean, mountains, Reddit, being a pilot, and shows little to no association with humidity, NFL, dribble, and accessibility.