Distribute notes, minutes, and other promised documentation. Improve meeting style. Must know why they are doing something. How does the team purpose relate to their own problems or opportunities, or even image issues. Find commonalities in what members will gain by their participation.
Adults learn better by doing.
Tap into member's own experiences. This brings knowledge, personality, skills, and other qualities to the team. With international groups or mixed cultures, be sure to respect individual customs and habits. Avoid slang and easy to confuse terms. Be inclusive, not exclusive.