summon

call, summon, send for

这些动词或词组均含有“召集，召唤”之意。
call: 非正式用词，含义广泛，指用说话或呼叫的形式召唤。
summon: 正式用词，指官方或正式的召集，召集者具有权力或权威性。
send for: 作“召唤”解时，语气较随便，暗示委派一件工作。

动词 summon:

1. call in an official matter, such as to attend court
   同义词：summons, cite
2. ask to come
3. gather or bring together
   同义词：muster, rally, come up, muster up
4. make ready for action or use
   同义词：mobilize, mobilise, marshal

1. The shareholders were summoned to a general meeting.
   那些股东被召集去叁加股东大会。
2. He summoned his soldiers to fight.
   他号召部下战斗。