yobu
1.

To attract someone's attention by verbally addressing them.

2.

To summon someone or something to come over or to arrive in response to a call.

3.

To induce or provoke a certain situation or reaction through an action or utterance.

4.

To designate or refer to someone or something by a specific name or title.

5.

To gather or collect individuals or entities, often bringing them together for a specific purpose.

Example:

あなたが呼べば、彼は来るでしょう。