adj. 镇定的；镇静的
n. 抑制
v. 镇压；缓和（quell的ing形式）

[ noun ]
forceful prevention; putting down by power or authority
<noun.act>
the suppression of heresythe quelling of the rebellion
the stifling of all dissent

Quell \Quell\, v. i. [imp. & p. p. {Quelled}; p. pr. & vb. n.
{Quelling}.] [See {Quail} to cower.]
1. To die. [Obs.]

Yet he did quake and quaver, like to quell.
--Spenser.

2. To be subdued or abated; to yield; to abate. [R.]

Winter's wrath begins to quell. --Spenser.