Plenary

[Sarah]

Full; entire; complete; absolute; as, a plenary license;plenary authority.A treatise on a subject should be plenary or full. I. Watts.Plenary indulgence (R. C. Ch.), an entire remission of temporalpunishment due to, or canonical penance for, all sins.-- Plenary inspiration. (Theol.) See under Inspiration.

[Sarah]

1. Complete in all respects; unlimited or full:
   2. Fully attended by all qualified members:

[Lanell]

A plenary meeting is one at which all the members of a group or organization are present, especially at a conference:

[Dianne]

(of a meeting) to be attended by all participants at a conference or assembly, who otherwise meet in smaller groups.