ex·per·i·men·tal·ism 
(ĭk-spĕr′ə-mĕntl-ĭz′əm)
(ĭk-spĕr′ə-mĕntl-ĭz′əm)n.
Use of empirical or experimental methods in determining the validity of ideas.
ex·per′i·mental·ist n.
- impersonality
- impersonalization
- impersonalize
- impersonally
- impersonate
- impersonation
- impersonator
- impertinence
- impertinency
- impertinent
- impertinently
- imperturbability
- imperturbable
- imperturbableness
- imperturbably
- impervious
- imperviously
- imperviousness
- impetigenous
- impetigo
- impetuosity
- impetuous
- impetuously
- impetuousness
- impetus