Definitions

1. noun

A person who holds a specified belief or opinion, or is associated with a particular activity or profession.

“The existentialist philosopher explored the concept of human existence.”

2. suffix

Used to form nouns denoting a person who performs or advocates a particular action or profession, or a group of people having a particular characteristic.

“The engineer worked tirelessly to solve the problem.”

3. verb

To make or cause to become something, especially a state or condition.

“The teacher instructed the students to complete their homework.”

4. verb

Used in the imperative to tell someone to do something, especially to change or correct something.

“Please instruct me on how to use this software.”