Intellectual
Definition 1 of 3
Pro Tip 1/3
Beyond Academia
The term can apply to anyone keen on mental activities, not just professions like scholars or philosophers. Even though he never went to college, his constant questioning shows he's a true intellectual.
Pro Tip 2/3
Respectful Tone
Using 'intellectual' suggests a tone of respect towards the person's mental capabilities or interests. My aunt, an intellectual, is respected for her insightful views on art history.
Pro Tip 3/3
Interests Matter
Being an intellectual often involves interest in a variety of subjects and a lifelong pursuit of knowledge. She could be considered an intellectual because she spends her free time mastering new languages.