summon

(verb) call in an official matter, such as to attend court. Synonyms: summons, cite.

(verb) ask to come. Example: "Summon a lawyer."

(verb) gather or bring together. Synonyms: muster, rally, come up, muster up. Examples: "Muster the courage to do something." "She rallied her intellect." "Summon all your courage."

(verb) make ready for action or use. Synonyms: mobilize, mobilise, marshal. Example: "Marshal resources."