reasonable

• adj.合理的な、公正な、妥当な

reason、理由、-able、形容詞接尾辞から。

reasonable (adj.)

c. 1300, "having sound judgment, sane, rational," from Old French raisonable, from Latin rationabilis, from ratio (see reason (n.)).

What the majority of people consider to be 'reasonable' is that about which there is agreement, if not among all, at least among a substantial number of people; 'reasonable' for most people, has nothing to do with reason, but with consensus. [Erich Fromm, "The Heart of Man," 1968]

Meaning "moderate in price" is recorded from 1660s. Related: Reasonably.

1. They will need a reasonable amount of desk area and good light.

彼らは、広い面積のデスクを置く場所と十分な照明を必要とします。

2.It seems clear that he has no reasonable alternative.

他に適切な選択肢がないことが明らかになったようだ。

3.You get an interesting meal for a reasonable price.

あまりお金をかけずに特別な食事をすることができます。

4.Only a third of these households thought it reasonable to meter water.

これらの家庭のうち3分の1だけが水道メーターで計量するのが合理的だと考えている。

5.Teachers can only be expected to do what is reasonable and practicable.

教師は、合理的で実行可能なことをすべきである。