Today’s word from the Academic Word List is
The main forms of this word are investigate, investigation, investigative and investigator. It is a useful word for writing and speaking about why problems happen and can be used in academic cause/effect essays. It is similar in usage to research and examine. Another less formal synonym is look into. More technically, it is also frequently used in relation to crime.
a detailed investigation needs to be conducted to ascertain why this happens
this will only be revealed by further investigation
this issue has not yet been properly investigated
scientific investigation shows that this is not the case
it may help to investigate exactly what effects these chemicals have on the environment
The police should investigate each case separately
The authorities are bound to investigate all such allegations
If any complaint is made, the regulatory body needs to investigate it
A special case is investigative journalism – this is where reporters look into sensitive issues such as corruption.