Adjectives for Someone who wants to know about things?

Here are some adjectives for someone who wants to know about things, categorized by nuance:

Curious:

* Curious

* Inquisitive

* Investigative

* Nosy (can be negative, implying too much interest)

* Prying (can be negative, implying intrusive behavior)

* Eager

* Keen

* Thirsty for knowledge

* Knowledge-seeking

Intellectual:

* Intellectual

* Learned

* Scholarly

* Erudite

* Savant

* Knowledgeable

* Wise

* Astute

* Perceptive

Active:

* Exploratory

* Investigative

* Research-oriented

* Analytical

* Observant

* Attentive

* Open-minded

Passionate:

* Passionate

* Enthusiastic

* Ardent

* Zealous

* Avid

* Devoted

* Intrigued

* Fascinated

Other:

* Curious

* Interested

* Engaged

* Informed

* Well-read

* Up-to-date

* Progressive

* Forward-thinking

The best adjectives to use will depend on the specific context and the person's personality.