How do you use the word intellectual in a sentence?

The Stanford- Binet the most widely used assessment of intellectual functioning in the world.

She's a wonderful teacher who has devoted her career to maximizing the intellectual development of her students.

She's a creative free spirit who can hold her own in any intellectual debate.

He was a painter and novelist with many influential intellectuals in his social circle.

She may be a teenager, but she has the intellectual capacity of a 4 year-old.