Final answer:
The king in the painting is best described as 'wealthy', as suggested by the description of his luxurious regalia, large number of soldiers, and the overall grandeur associated with his portrayal.
Step-by-step explanation:
Based on the descriptions provided, the word that best describes the way the king is portrayed in the painting is wealthy. This is evident from the references to the magnificence and well-organization of the royal court, the number of horsemen and foot soldiers which suggests an opulent display of power, and artifacts like the golden gilded sword and other luxurious regalia mentioned, which are representations of a ruler's wealth and power. The descriptions also emphasize the importance of outward appearances in showcasing a ruler's status, indicating the king's regality and opulence.