One of the easiest patterns, simply invite users to interact with the wiki.
Inviting people to use a wiki is a good way to guide their first interaction with it. Early adopters are by nature eager to try new tools, but most people don't for a variety of reasons. Some are risk-averse, others prefer training at the start of using something new, and others are simply too busy. An invitation creates an opportunity to dedicate time to trying the wiki, and gives people reassurance that someone knowledgeable is there to help them get started.
When you invite people, you could: