What is illuminationist?

Some articles on illuminationist:

Later Islamic Philosophy - Illuminationist School
... Illuminationist philosophy was a school of Islamic philosophy founded by Shahab al-Din Suhrawardi in the 12th century ... systematic refutations of Greek logic were written by the Illuminationist school, founded by Shahab al-Din Suhrawardi (1155-1191), who developed the idea of "deci ...