Use the thumbs-up emoji and the numbers 1 to 5 in your chat app to get a quick check on alignment before the meeting ends.
Use the Lean Coffee facilitation technique for meetings in which the topic is determined by the attendees during the meeting.
Put yourself in the shoes of the recipient and check that your invite answers the questions: Why are we having that meeting? and What is expected of me?
Before the meeting ends, ensure that every identified follow-up is owned by a meeting attendee. Plan for the time this takes when preparing the meeting.
Use a virtual whiteboard to visualize important parts of the conversation and allow attendees to participate in the conversation asynchronously.