Based upon my somewhat limited information, I can only answer your question tentatively.
The meeting has been tentatively scheduled for this Friday at 10:00 a.m.
The opening of the store was tentatively scheduled for late August.
The surgery is tentatively scheduled for next month, but we'll do it sooner if you're in a lot of pain.
The meeting was tentatively agreed to -before I checked my schedule! The evening news programs are always tentatively scheduled when they follow a sporting event.
John tentatively peeked under his bed because checking for monsters always made him uneasy.
carefully or cautiously
Example sentence - Knowing our plans could change quickly, we tentatively accepted the invitation.
Because he made her nervous, she tentatively accepted his offer of dinner.
Tentatively is an adverb.
Example sentence - Their travel plans were tentative until they could pay for the flights.
He moved tentatively across the ice...
Chris tentatively smiled at David. Tentatively means that Chris was a little nervous about smiling at David for some reason.
No. Tentatively is an adverb formed from the adjective tentative by adding -ly.