What is another word for investigational?
Pronunciation: [ɪnvˌɛstɪɡˈe͡ɪʃənə͡l] (IPA) 
Investigational refers to anything that is still in the experimental stage and requires further research. There are several synonyms for this word, including exploratory, preliminary, research, experimental, and innovative. Other synonyms for investigational include developmental, emerging, trial, untested, and probationary. All of these words describe a process of inquiry, experimentation, and observation to determine the effectiveness of a new theory, idea, or product. They imply that there are still uncertainties and risks involved with the object or process in question and that further investigation is necessary before any conclusions or recommendations can be made.
