Just played some more with the Tasker app on my phone. Now, it goes automatically to silent mode when I'm in meetings (and other busy as in D.N.D.!!!) appointments in my work calendar, relegating any incoming notifications to a discrete vibration on my Gear Fit. No more embarrassing interruptions for and from me. Thank you.
I also played with limiting WiFi to my home location, but decided against it after trying it for a few days. Location awareness is a lot better with WiFi enabled and I need that feature too often for too many things as that disabling it would be feasible.
Overall, it takes a while to get the hang of it, but I certainly don't regret having spent those 2.99 € on it. It's useful. (And can do A LOT MORE than what I tried and use so far).