When we think about antonyms for the phrase "keep from falling," we can start by looking at words such as let go, drop, or release. These words represent actions that would result in something falling. Other antonyms might include words like support, uphold, or stabilize, which imply actively working to prevent something from falling. The most fitting antonym for "keep from falling" would depend on the context and what exactly is being kept from falling. However, in general, antonyms for "keep from falling" would represent actions that allow for gravity or natural movement to take its course, rather than actively trying to prevent it.