What it means
あっての〜 expresses that the second noun exists, succeeds, or has its value because of the first noun. It highlights the first noun as an essential foundation rather than merely one contributing factor. The construction is most commonly used in the fixed pattern “Noun あっての Noun,” often with もの as the second noun, and it is associated with formal, appreciative, or evaluative statements.
Usage note
あっての〜 normally attaches to a noun and should not be freely attached directly to verbs or adjectives. It is often used in set expressions such as “Noun あってのもの,” meaning that something is what it is thanks to the stated foundation.
How to use it
研究成果は、長年の協力あってのものです。
The research results are what they are thanks to years of cooperation.
研究成果は、長年の協力あってのものだ。
The research results are what they are thanks to years of cooperation.