in·ves·ti·ga·tive 
(ĭn-vĕstĭ-gā′tĭv)
(ĭn-vĕstĭ-gā′tĭv)adj.
1. Of or relating to investigation: investigative methods.
2. Characterized by or engaged in investigation; specializing in uncovering and reporting hidden information: investigative journalism.
- dissociative
- dissociative identity disorder
- dissolubility
- dissoluble
- dissolute
- dissolutely
- dissoluteness
- dissolution
- dissolutive
- dissolvable
- dissolve
- dissolvent
- dissolver
- dissonance
- dissonancy
- dissonant
- dissonantly
- dissuade
- dissuader
- dissuasion
- dissuasive
- dissuasively
- dissuasiveness
- dissyllable
- dissyllable