The word "haltings" implies a stoppage or hesitation, so its antonyms would be words that suggest smooth movement or uninterrupted progress. Some suitable antonyms for haltings would be fluidity, smoothness, ease, flow, progression, and continuance. These words connote a sense of smoothness and unrestricted motion, which is a complete contrast to the notion of halting or hesitating. Words that suggest swift and continuous momentum or acceleration, such as impetus, propulsion, and momentum could also serve as antonyms to haltings, which implies a lack of motion or stasis. All these words convey a sense of movement and progress at their core, making them great alternatives to the term haltings.