Physical Object:
* Panel: A flat, usually rectangular piece of material, often used for construction or decoration.
* Plank: A long, narrow piece of wood, often used for flooring or construction.
* Sheet: A large, flat piece of material, such as paper or metal.
* Table: A flat surface with legs, often used for eating or working.
* Platform: A raised, flat surface, often used for speeches or performances.
Group of People:
* Committee: A group of people appointed or elected to consider, discuss, and make decisions on a specific issue.
* Council: A group of people who meet regularly to discuss and decide on matters affecting a particular organization or community.
* Panel: A group of experts or specialists assembled to provide advice or to discuss a topic.
* Group: A collection of people who share a common interest or purpose.
* Body: A formal organization or institution, such as a governing body or a legislative body.
Action:
* Enter: To go onto a ship, plane, or train.
* Embark: To begin a journey or an undertaking.
* Get on: To enter a vehicle or a structure.
* Get aboard: To enter a vehicle or a structure, especially a ship or a plane.
* Ascend: To climb or move upward.
Other:
* Surface: The outer layer of something, such as the surface of a table or the surface of the water.
* Deck: The floor of a ship or a boat.
* Stage: A platform on which actors perform.
* Panel: A section of a wall or a door.
Please provide me with more context to help me find the most suitable synonym for you.