Русско-англо-русский юридический словарь

1. substantiation (процесс действия по гл. обосновать, обосновывать, т. е. приведение убедительных доводов для доказательства чего-л., подкрепление чего-л. доказательствами; результат такого действия; то, что служит доказательством чего-л.; напр.: в обоснование чего-либо – in substantiation of something);

• в обоснование – in substantiation of

2. rationale /ræ.ʃəˈnɑːl/ (офиц.-дел.; rationale behind/for/of; совокупность аргументов, доводов в пользу чего-л.: обоснование судебного решения – rationale for a judgment);

• юридическое обоснование – legal rationale

• научное обоснование – scientific rationale

• обоснование проекта – project rationale

3. justification (justification for (doing) something; довод, доводы в пользу правильности, разумности, необходимости чего-л.; оправдание; напр.: историческое обоснование – historical justification; политическое обоснование – political justification; разумное обоснование – reasonable justification; экономическое обоснование инвестиций – economic justification for investment; в некоторых контекстах justification и rationale используются в качестве взаимозаменяемых синонимов, напр.: обоснование проекта – project rationale, project justification; научное обоснование – scientific rationale, scientific justification);

• разумное обоснование – reasonable justification

• научное обоснование – scientific justification

• политическое обоснование – political justification

Примеры употребления

• The company produced receipts in substantiation of its claim.

• The criticisms were without factual substantiation.

• He was surprised at the lack of factual substantiation in the report.

• We have substantiation of every single thing that is said in every ad. (Cambridge Advanced Learner's Dictionary & Thesaurus)

This is not only an unorthodox approach that requires more substantiation than is given in the book, it also makes a number of incorrect predictions.

Most of these claims are mentioned in passing, without substantiation.

However, the evidence is weak and needs further substantiation.

All the essays are short, which makes substantiation of ambitious theses difficult. (Cambridge English Corpus)

The department may require employees to provide vouchers, receipts, or other substantiation for any fees or expenses claimed. (Dictionary.com)

He tried to explain the scientific rationale behind his work.

This data can be abused by insurance companies seeking any rationale for charging higher rates. (Cambridge Dictionary)

The rationale behind the law was simple: water belonged to the public and the government should be the only authority in charge of its distribution.

The rationale for self-recruitment is that it is difficult for an outsider to determine whether a person belongs to the target group or not. (Cambridge English Corpus)

It also provides an additional justification of why targeted research on the distributional benefits of agricultural research is important.

If a political justification, for example, required the rejection of one particular reasonable comprehensive view among many, then reasonable people could reject that justification.

Proofs are not meant to act merely as justification for the discovery of "facts"; they are themselves the "facts" to be discovered. (Cambridge English Corpus)

What is the difference between rationale and justification?

Rationale is merely the reason behind an action. Justification is the reason given to prove that the action is right. (HiNative)