Open and Plenary

Open adjective - Allowing passage without obstruction.

Plenary and open are semantically related In some cases you can use "Plenary" instead an adjective "Open".

Nearby Words: opening, openness, opened, opener

Plenary adjective - Not lacking any part or member that properly belongs to it.

Open and plenary are semantically related in full topic. You can use "Open" instead an adjective "Plenary", if it concerns topics such as entire.