Antonyms for the phrase "throws a monkey wrench into" include "smooths the way," "promotes," "facilitates," "expedites," "eases," and "streamlines." These words denote actions that help remove obstacles and simplify processes, rather than creating or exacerbating problems. Alternatively, one could use phrases such as "maintains momentum," "keeps things running smoothly," or "avoids disruptions" to convey a sense of forward progress or stability. By replacing negative language with positive or neutral language, one can create a more optimistic and constructive tone in communication, which may help promote collaboration and problem-solving rather than conflict and frustration.