"investigate" in the verb sense
1. investigate, look into
investigate scientifically
"Let's investigate the syntax of Chinese"
2. investigate, inquire, enquire
conduct an inquiry or investigation of
"The district attorney's office investigated reports of possible irregularities"
"inquire into the disappearance of the rich old lady"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License