What does "investigation" mean?

The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination

How do you pronounce "investigation"?

Pronounced //ɪnˌvɛs.tɪˈɡeɪ.ʃən//.

Common synonyms include: academic activity, academic inquiry, academic task, airing, amassing evidence, analysis.

/ɪnˌvɛs.tɪˈɡeɪ.ʃən/ noun

noun ·Moderate ·High school level

Noun

1
The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination countable, uncountable
"The investigation into the crime has led to various leads as well as plenty of dead ends."
2
the work of inquiring into something thoroughly and systematically wordnet
3
an inquiry into unfamiliar or questionable activities wordnet

"The students assisted the professor in the investigation."

From Middle English investigacioun, from Old French investigacion, from Latin investigatio. Morphologically investigate + -ion.