Lionize generally has a positive meaning, suggesting admiration and respect. The surgeon who developed the new technique was lionized in medical circles.
Pro Tip 2/3
Not Always Deserved
Sometimes people are lionized for shallow reasons rather than real accomplishments. Celebrities are often lionized for their fame, not their talents.
Pro Tip 3/3
Metaphorical Use
Lionize is used metaphorically, comparing the treatment of a person to the admiration for a lion. After the game, the team lionized their coach for his brilliant strategy.