informational

From information +‎ -al.

• IPA^(key): /ˌɪnfə(ɹ)ˈmeɪʃənəl/

informational (comparative more informational, superlative most informational)

1. Designed to or able to impart information; possessing information.

   The subway map was quite informational, allowing us to determine the most efficient route to our destination.

   • 2015, James Lambert, “Lexicography as a teaching tool: A Hong Kong case study”, in Lan Li, Jamie McKeown, Liming Liu, editors, Dictionaries and corpora: Innovations in reference science. Proceedings of ASIALEX 2015 Hong Kong, Hong Kong: The Hong Kong Polytechnic University, page 145:

     This exercise gave students an insight into [...] how lexicographers work with unfamiliar lexis, and the informational sources that lexicographers use to construct dictionaries.

• informative