Sentence:  The fourth model is called the enlightment model: Actors are seen to be responsible for problems but unable or unwilling to provide <WSD>solutions</WSD>. They are believed to need discipline provided by authoritative guidance. The Alcoholic Anonymoussic groups are considered prototypical for this model. 
Meaning of the word marked with <WSD> tags:  An act, plan or other means, used or proposed, to solve a problem.