The antonyms for the term "knocking downs" can be words like building up, constructing, erecting, and raising. These words refer to the act of creating or establishing something, as opposed to demolishing it. Other antonyms for "knocking downs" can include phrases like preserving, conserving, maintaining, and protecting. These words imply the act of safeguarding or taking care of something, rather than destroying it. In general, the antonyms for "knocking downs" relates to actions or activities that maintain, sustain, or support, as opposed to actions that lead to destruction or breakdown.