investigation
nounThe act or process of investigating.
nounA careful examination or search in order to discover facts or gain information. synonym: inquiry.
nounThe act of investigating; the making of a search or inquiry; detailed or particularized examination to ascertain the truth in regard to something; careful research.
nounSynonyms Inquisition, Inquiry, etc. (see 
The act of investigating; the process of inquiring into or following up; research; study; inquiry, esp. patient or thorough inquiry or examination
nounThe act of 
the work of inquiring into something thoroughly and systematically
nounan inquiry into unfamiliar or questionable activities

 
					 
					