The word 'wildeyed' refers to a person who has an intense, uncontrolled and often irrational behavior or expression, just like someone who is wild or crazy. However, the antonym of this word would be someone who is calm, collected, and in control. For instance, they could be described as poised, composed, or tranquil. Other antonyms for 'wildeyed' would be steady, level-headed, and serene. These individuals exhibit a sense of rationality, clarity, and confidence in adversity or challenging situations. They do not demonstrate over-excitement, hysteria or irrational behavior, but rather keep their composure under pressure. Overall, the antonyms of wildeyed can be associated with a sense of stability, reason, and self-assurance.