/'sʌmən; `sʌmən/
v
1 (a) [Tn, Tn.pr, Tn.p, Dn.t] ~ sb (to sth); ~ sb (together) send a message telling sb to come; call (people) together 召唤某人; 召集（大家）
*I was summoned by my boss (to explain my actions). 老板把我召去（要我对自己的行为做出解释）.
* The shareholders were summoned to a general meeting. 已召集了股东开全体大会.
* Summon the pupils together in the school hall. 把学生召集到学校的礼堂里.
(b) [Tn, Dn.t] order (sb) to attend a lawcourt; summons (sb) 传唤（某人）出庭; 召唤（某人）
*The debtor was summoned (to appear before the magistrates). （地方法官）已传唤债务人出庭.
2 [Tn] order a group of people to attend (a meeting, etc) 召开（会议等）
*summon a conference 召开会议
* The Queen has summoned Parliament. 女王已召集了议会开会.
3 [Tn, Tn.p] ~ sth (up) force (a particular quality) to come as if from deep inside oneself, in an attempt to do sth 发挥出（某品性）来做某事
*summon (up) one's courage for the battle 鼓起勇气进行战斗
* I had to summon (up) all my nerve to face my boss. 我得鼓足勇气去见上司.
* I can't summon up much enthusiasm for the project. 这计画引不起我多大兴趣.
4 (phr v) summon sth up cause sth to come into the mind; evoke sth 使某事物浮现于脑际; 唤起某事物
*a smell which summons up memories of my childhood 使我回忆起童年事的一种气味.

v [T]formal
[Date: 1200-1300; Language: Old French;Origin: somondre, from Latin summonere 'to remind secretly', from sub- 'secretly' + monere 'to warn']
to order someone to come to a place
　Robert summoned the waiter for the bill.
summon sb to sth
　The president summoned Taylor to Washington.
summon sb to do sth
　He was summoned to attend an emergency meeting.
to officially order someone to come to a court of law
　Hugh was summoned to appear before the magistrate.
alsosummon sth up
to try very hard to have enough of something such as courage, energy, or strength, because you need it
　He had to summon the energy to finish the race.
summon a meeting/conference etc
to arrange for a meeting to take place and order people to come to it
= convene
　He summoned a meeting of business leaders.
summon up [summon up sth] phr v
if something summons up a memory, thought, or image, it makes you remember it or think of it
= conjure up
　The smell summoned up memories of family holidays by the sea.
to try very hard to have enough courage, energy, or strength, because you need it
　Ruth took a deep breath, summoned up her courage, and told him the truth.