Definition of investigative:
- experimental (part of speech: adjective)
- curious (part of speech: adjective)
And then after you have so rated the position, I want you to free the man who holds it from all hack- work, from the details of business management, from anything and everything that now prevents him from making a careful, scientific, investigative study of fundamental educational problems that confront him right here in Grand Forks.- "On the Firing Line in Education", Adoniram Judson Ladd.
- "Philosopher Jack", R.M. Ballantyne.
- "The Flying Saucers are Real", Donald Keyhoe.