Interact (verb)

1. Communicate or have dealings with someone.
2. Have an effect on each other.
3. Be involved in a mutual or reciprocal relationship.

Origin:

Late 19th century: from latin inter- "between" + agĕre "do".

Examples:

1. She interacts well with people from all walks of life.
2. The two companies interact closely to develop new products.
3. The new technology is expected to interact with the existing infrastructure.
4. The children interacted with each other during the playtime.
5. The students were encouraged to interact with the speakers and ask questions.