What is your best one-word description of President Abraham Lincoln's character?

[David Lockmiller]

Serving "admirably" and "creditably" are merely matters of opinion.

Best
Rob

Serving "admirably" and "creditably" may also be considered to be matters of definition.

I use dictionary.com for definitions.

"admirable" adjective

1. worthy of admiration; inspiring approval, reverence, or affection.
   
2. excellent; first-rate.
   
   Robert "soon became exceedingly popular," Horace Porter recalled. "He was always ready to perform his share of hard work, and never expected to be treated differently from any other officer on account of his being the son of the Chief Executive of the nation."
   
   

"creditable" adjective

bringing or deserving credit, honor, reputation, or esteem.