investigative
adjective /ɪnˈvestɪɡətɪv/
/ɪnˈvestɪɡeɪtɪv/
(also less frequent investigatory
[usually before noun] /ɪnˈvestɪɡətəri/
/ɪnˈvestɪɡətɔːri/
)- involving examining an event or a situation to find out the truth
- The article was an excellent piece of investigative journalism.
- The police have full investigatory powers.
Oxford Collocations DictionaryInvestigative is used with these nouns:- commission
- journalism
- journalist
- …