Workshop
A workshop is a format of a meeting where people gather to work together in a more less structured way. A workshop can be comprised of one or more meetings emphasizing interaction and exchange of information among a usually small number of participants.
Workshops usually have an input and an output with deliverables.
During workshops there can different techniques used to help build the expected deliverables; some of those techniques can include ideation, brainstorming, problem-solving, focusing, etc.