infer, deduce, conclude, gather, judge

動詞 infer:

1. reason by deduction; establish by deduction
   同義詞：deduce, deduct, derive
2. draw from specific cases for more general cases
   同義詞：generalize, generalise, extrapolate
3. conclude by reasoning; in logic
   同義詞：deduce
4. guess correctly; solve by guessing
   同義詞：guess
5. believe to be the case
   同義詞：understand

1. He infer from the letter that the accused know the murder victim.
   他從信中推斷被告認識謀殺的受害者。
2. Can I infer that you think I'm not telling the truth?
   看來你認為我沒說實話？
3. It is possible to infer two completely opposite conclusions from this set of facts.
   從這些事實中可能推斷出兩種截然相反的結論。

in.fer

v.（動詞）
in.ferred,in.fer.ring,in.fers
v.tr.（及物動詞）
To conclude from evidence or premises.See Synonyms at conjecture
推斷：由證據或根據得出結論參見 conjecture
To reason from circumstance; surmise:
猜想，推理：由特定情況可以推測；臆測：
例句：
We can infer that his motive in publishing the diary was less than honorable.
我們可以猜想得到他出版那日記的動機并不高尚

To lead to as a consequence or conclusion:
下結論：導致某一結果或結論：
例句：
.Socrates argued that a statue inferred the existence of a sculptor.(Academy)
.蘇格拉底辯稱，一尊雕像意味著某個雕刻家的存在.(學會)

To hint; imply.
暗示；意指
v.intr.（不及物動詞）
To draw inferences.See Synonyms at conjecture
作出推論參見 conjecture

來源：
Latin onferre [to bring in, adduce]
拉丁語 onferre [引入，引證]
in- [in] * see in- 2
in- [在…里] *參見 in-2
ferre [to bear] * see bher-
ferre [承擔] *參見 bher-

【引伸】
infer.able
adj.（形容詞）
infer.ably
adv.（副詞）
infer.rer
n.（名詞）
Infer is sometimes confused withimply, but the distinction is a useful one.When we say that a speaker or sentence implies something,we mean that it is conveyed or suggested without being stated outright:
Infer 有時會和imply 混淆在一起， 但它們之間的差異是很重要的。當我們說某個說話人或某個句子暗含有某種東西時，我們的意思是這種東西是含在其中的或暗示的而沒有公開說出來：
例句：
When the mayor said that she would not rule out a business tax increase, she implied (not inferred ) that some taxes might be raised.
當市長說她不排除商業(yè)稅增漲的可能性時，她暗指（不是 inferred ) 可能要提高某些稅收。

Inference, on the other hand, is the activity performed by a reader or interpreter in deriving conclusions that are not explicit in what is said:
而推論則是讀者或闡釋者的一種活動，他們推斷出的結論是言語中沒有明確表達出來的：
例句：
When the mayor said that she would not rule out a tax increase,
當市長說她不排除商業(yè)稅增漲的可能性時，

we inferred that she had been consulting with some new financial advisers,since her old advisers were in favor of tax reductions.
我們推斷她同幾個新的金融顧問們商量過，因為她的那些顧問們支持減稅。