動詞 mediate:

1. act between parties with a view to reconciling differences
   同義詞：intercede, intermediate, liaise, arbitrate
2. occupy an intermediate or middle position or form a connecting link or stage between two others

形容詞 mediate:

1. acting through or dependent on an intervening agency
2. being neither at the beginning nor at the end in a series
   同義詞：in-between, middle

1. The state or quality of being mediate.
   居中介入中間的性質(zhì)或狀態(tài)
2. A well-known local lawyer has been appointed to mediate between the employers and the union leaders, since they can't reach an agreement in direct talks.
   既然雇主們同工會領(lǐng)袖無法在直接談判中達(dá)成協(xié)議，就指定了一位當(dāng)?shù)氐拿蓭熯M(jìn)行調(diào)解。
3. Mediate a labor-management dispute.
   調(diào)停一勞動管理上的爭端
4. He cooled the situation down by offering to mediate between the disputing parties.
   他提出愿為爭執(zhí)的雙方調(diào)停，情況因此緩和下來。

me.di.ate

v.（動詞）
me.di.at.ed,me.di.at.ing,me.di.ates
v.tr.（及物動詞）
To resolve or settle (differences) by working with all the conflicting parties:
調(diào)停，斡旋：斡旋于沖突各方之間以解決分歧或沖突：
例句：
mediate a labor-management dispute.
調(diào)停一勞動管理上的爭端

To bring about (a settlement, for example) by working with all the conflicting parties.
經(jīng)調(diào)解解決：通過居間調(diào)停的行動以達(dá)到（例如，問題的解決）
To effect or convey as an intermediate agent or mechanism.
轉(zhuǎn)交：作為中間媒介或作用過程來傳送或傳遞
v.intr.（不及物動詞）
To intervene between two or more disputants in order to bring about an agreement, a settlement, or a compromise.
調(diào)解：斡旋于沖突雙方或多方之間以使它們達(dá)成協(xié)議、找到解決辦法或妥協(xié)
To settle or reconcile differences.
和解：解決爭端，使不同的觀點(diǎn)或態(tài)度妥協(xié)
To have a relation to two differing persons or things.
斡旋：與兩個沖突的人或事物發(fā)生關(guān)系
adj.（形容詞）

Acting through, involving, or dependent on an intervening agency.
間接的：通過一中間媒介進(jìn)行活動的，牽涉到中間媒介的，依賴于中間媒介的
Being in a middle position.
居于中間位置的

來源：
Late Latin medi3re medi3t- [to be in the middle]
后期拉丁語 medi3re medi3t- [居于中間]
from Latin medius [middle] * see medhyo-
源自 拉丁語 medius [中間的] *參見 medhyo-

【引伸】
me.diately