Synonym: investigating, probe. Similar words: investigate, investigator, obligation, invest, investor, investment, prestidigitation, direct investment. Meaning: [ɪn‚vestɪ'geɪʃn] 
n. 1. an inquiry into unfamiliar or questionable activities 2. the work of inquiring into something thoroughly and systematically.
n. 1. an inquiry into unfamiliar or questionable activities 2. the work of inquiring into something thoroughly and systematically. 
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121. The general session approved the report of the investigation committee.
122. Currently, the individuals who might have caused the accident are subject to/under investigation.
123. Scientists are conducting an investigation into the causes of the accident.
124. The results have been encouraging enough to merit further investigation.
125. He was named as the prime suspect in the murder investigation.
126. She would like an investigation into the assassination of her husband.
127. I was treated with decorum and respect throughout the investigation.
128. The police are working in conjunction with tax officers on the investigation.
129. The investigation into the air crash would inevitably apportion blame to certain members of the crew.
130. On investigation[sentencedict.com/investigation.html], the noise turned out to be only a door banging.
131. The company has announced that it will undertake a full investigation into the accident.
132. The police investigation was met with a wall of silence.
133. There should be an investigation into the cause of the disaster.
134. The authorities are planning to launch a full-scale investigation into the crash.
135. With a microscope, a whole new world of investigation opens up.
136. We seem to have come up against a brick wall in this investigation.
137. She was the second minister to come under investigation for corruption.
138. The police are now back at square one in their investigation.
139. In 1989 they started an investigation that was to blow the lid off corruption in the police force.
140. It would serve no useful purpose to re-open the investigation.
141. The investigation revealed political chicanery and corruption at the highest levels.
142. They claim that police lost valuable time in the early part of the investigation.
143. A lengthy police investigation failed to produce any evidence on which the suspect could be convicted.
144. After investigation they learned that the brain wave(sentencedict.com), which was a side of the brain will sleep.
145. It would be premature to accuse anyone until the investigation is complete.
146. A cabinet minister came under investigation for links to the Mafia.
147. The German sports federation said it would hold an investigation.
148. The United States and Israel clashed over demands for a UN investigation into the killings.
149. Disclosure of information would compromise the proper conduct of the investigation.
150. All practices of corruption and corrupt elements shall be found out through investigation without tolerance or lenience.
More similar words: investigate, investigator, obligation, invest, investor, investment, prestidigitation, direct investment, invention, allegation, question, in question, invitation, suggestion, conversation, questionnaire, out of the question, beyond question, esterification, convention, conventional, nation, distinction, institution, destruction, restriction, relation, operation, donation, zonation.