Summon (verb)

1. Order or request (someone) to come to a particular place or for a particular purpose.
2. Call forth or bring into existence (a feeling or situation) by an exertion of the will.

Origin:

Late middle english: from old french somon-, stem of somondre, from latin summonare, from sub- "from below" + monēre "warn".

Examples:

1. He was summoned to the meeting.
2. The court summoned the witness to testify.
3. She summoned the courage to speak up.
4. He summoned a taxi to take him to the airport.
5. The king summoned his army to defend the kingdom.