1. To bring or load someone or something on board a ship, train, airplane, etc. A noun or pronoun can be used between "take" and "aboard." The captain was arrested for taking aboard drugs hidden in large shipments of grain. An air marshal took the prisoner aboard the airplane to ensure she reached her destination.

2. To acknowledge, accept, and consider implementing a certain perspective, viewpoint, or piece of information. A noun or pronoun can be used between "take" and "aboard." You really ought to take aboard the boss's advice. Thanks, I'll be sure to take your recommendations aboard.