The term "went lame" indicates that someone or something has lost its ability to move normally due to injury or health issue. Its antonyms could be "recovered," "healed," "rehabilitated," "mended," "improved," "strengthened," or "revitalized." These terms denote that the object or person has regained its strength and mobility, opposed to the state of being unable to move or function properly. For example, if a horse "went lame" due to a leg injury, once it is healed, it can be said that the horse "recovered." Similarly, if a person had "went lame" due to a sprain, once the sprain is healed, they can be described as "rehabilitated.