Answer:
Consultation.
Explanation:
In the scenario observed in the question, it can be seen that the dean used the consultation tactic.
This tactic can be defined as the influencing leader seeking support from others to influence a group. This is an effective approach to increase group satisfaction due to the value of democratic decision-making.
The benefits of this technique are described in the question, such as the increased commitment of the faculty, who are now interested in seeing the process succeed and the objective of accreditation fulfilled.