Introduce (verb)

1. To bring a person or thing into an organization, community, or situation for the first time.
2. To present (someone) to another person or group of people.
3. To begin to use or do something new.

Origin:

Late middle english: from latin introducere, from in- "into" + ducere "lead".

Examples:

1. He was introduced to her by a mutual friend.
2. The company introduced a new product.
3. She introduced the speaker to the audience.
4. The teacher introduced the topic for discussion.
5. He introduced a bill in the legislature.