1. in an uncertain or hesitant way; not with confidence
2. as a trial or experiment; provisionally

Examples

• She tentatively raised her hand to ask a question.
• The meeting is tentatively scheduled for next Tuesday.
• He tentatively stepped onto the frozen pond.
• The company tentatively agreed to the proposal.
• She tentatively suggested they try a different approach.
• The new policy will be implemented tentatively for six months.
• He tentatively reached out to touch the unfamiliar object.