Learn English – What’s a word or short phrase for someone who knows what’s going on around them

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I am looking for a word that quickly describes someone who knows everything that is going on in the in the city they live in. This person does not engage in gossip concerning other people's personal lives, but rather is someone who knows what the weather is going to be like today, what sales are going on, what events are going on, and what happened in the news. They could tell you things like, "Store A is the best place to buy meat, but if you want vegetables is store B. If you want to buy dog supplies, you normally want to go to store Y but today there happens to be a sale on dog treats at store Z. There's a 5K going on tomorrow at 2:00, and there's a band concert at location X later that night." This person is not over dependent on technology for this information, as she gets most of it by "getting out there" and being involved with the community.

Best Answer

au courant In your example: Jane is au courant on where to go and what to do in Boston.

Definition from Vocabulary.com

To be au courant is to be well-informed about something. If you're au courant with local politics, you follow your city's elections and political controversies closely.

This word means being up to date on a certain subject. If you're au courant with a TV show, you've watched all the episodes, especially the most recent ones. Lawyers need to stay au courant on legal matters, and doctors need to be au courant on the latest medical research. In French, au courant literally means "with the current," or "in the course." If you stay with the flow of current events, culture, or work, you'll always be au courant. (emphasis added)