Pathetic

The most appropriate antonym of the word "pathetic" is fortunate.

• Pathetic means "arousing pity or sadness; very sad or unfortunate."
• Fortunate means "having good luck or fortune; lucky."

The other words do not have the same meaning as "pathetic" and are therefore not antonyms.

• Horrible means "extremely unpleasant or distressing; dreadful."
• Wretched means "very unhappy or unfortunate."
• Controllable means "capable of being controlled."