This is the 13915th most frequent Russian word.
обоснования
Justifications or reasons.
The word 'обоснования' is used here to refer to the logical reasoning or justifications for the actions being described.
Его обоснования своих действий оказались недостаточно убедительными.
His justifications for his actions turned out to be insufficiently convincing.
In this context, 'обоснования' refers to systematic reasoning or evidence supporting a scientific hypothesis.
Научные обоснования гипотезы подтвердились экспериментальными данными.
The scientific justifications for the hypothesis were confirmed by experimental data.
Here, 'обоснования' implies valid reasons or arguments necessary to substantiate proposed changes to a project.