deliberate

think, deliberate, meditate, muse, reason, reflect, speculate

这些动词均有“思考、判断、思索”之意。
think: 一般用词，指开动脑筋形成看法或得出结论的脑力活动。不着重结论是否正确，见解是否有用。
deliberate: 指缓慢、按部就班地作仔细而认真的思考或判断。
meditate: 语气较强，指认真地长时间集中精力进行思考。
muse: 通常指漫无目的地猜想。
reason: 指根据资料、证据或事实进行推断，作出结论或判断的逻辑思维活动。
reflect: 指回想或回顾，侧重认真而冷静地反复地思考某个问题，尤指对已发生事情的思索。
speculate: 指推论过程，隐含在证据不足的基础上作出推测或设想。

动词 deliberate:

1. think about carefully; weigh
   同义词：consider, debate, moot, turn over
2. discuss the pros and cons of an issue
   同义词：debate

形容词 deliberate:

1. by conscious design or purpose
   同义词：intentional, knowing
2. with care and dignity
   同义词：careful, measured
3. produced or marked by conscious design or premeditation- V.L.Parrington
   同义词：studied
4. marked by careful consideration or reflection
5. carefully thought out in advance
   同义词：calculated, measured

1. It had more the appearance of a deliberate crime than an accident.
   那很像是蓄意的罪行，而不像是意外的事故。
2. He told us a deliberate lie.
   他存心说谎。
3. He entered the room with deliberate steps.
   他从容不迫地走进室内。

de.lib.er.ate

adj.（形容词）
Done with or marked by full consciousness of the nature and effects; intentional:
蓄意的：在明显完全意识到性质和后果的情况下干的；故意的：
例句：
mistook the oversight for a deliberate insult.
把疏忽错当成蓄意的侮辱

Arising from or marked by careful consideration:
深思熟虑的：源于慎重考虑的，以仔细考虑为特征的：
例句：
a deliberate decision.See Synonyms at voluntary
深思熟虑的决定参见 voluntary

Unhurried in action, movement, or manner, as if trying to avoid error:
谨慎的：行动、移动、举止方面不慌不忙的，仿佛努力避免错误：
例句：
moved at a deliberate pace.See Synonyms at slow
以小心谨慎的步伐移动参见 slow

v.（动词）
de.lib.er.at.ed,de.lib.er.at.ing,de.lib.er.ates[-…-r3t.]
v.intr.（不及物动词）
To think carefully and often slowly, as about a choice to be made.
熟虑：仔细地想，经常是慢慢地考虑，如在做出选择时
To consult with another or others in a process of reaching a decision.
商讨：在达成决议的过程中与他人商讨
v.tr.（及物动词）
To consider (a matter) carefully and often slowly, as by weighing alternatives.See Synonyms at ponder
权衡：仔细考虑（一件事），常是慢慢想，如通过权衡各种可供选择项参见 ponder

来源：
Latin dôlober3tus [past participle of] dôlober3re [to consider, weigh]
拉丁语 dôlober3tus [] dôlober3re的过去分词 [考虑，权衡]
dô- [de-]
dô- [前缀，表示"由特定性质的东西中产生出]
lobr3re [to balance] from lobra [a balance, scales]
lobr3re [权衡] 源自 lobra [天平，磅秤]

【引伸】
delib.erately
adv.（副词）
delib.erateness
n.（名词）