This is the 3490th most frequent Dutch word.
onderbouwing
"Onderbouwing" means "substantiation" or "justification."
Here, 'onderbouwing' refers to justification or rational evidence supporting a statement or theory.
De wetenschapper presenteerde een sterke onderbouwing voor zijn theorie.
The scientist presented strong support for his theory.
In this sentence, 'onderbouwing' is used to signify a logical explanation or argument for one's qualities.
Voor je sollicitatie is het belangrijk een goede onderbouwing van je kwaliteiten te geven.
For your application, it's important to provide a good justification of your qualifications.
Here, 'onderbouwing' refers to the logical or reasoned support used to persuade others of an idea or proposal.