"On the stick" is a colloquialism that means on track or on target. If you want to vary your speech, there are numerous synonyms for this phrase. Some of these include "on course," "on schedule," "on time," or "in line with." Other related options include "in the zone," "in the groove," "in sync," or "in step." All of these phrases convey a sense of being focused and on task. You can choose the synonym that best suits your personality or the situation you are in. By using a variety of synonyms for "on the stick," you can improve your communication skills and express yourself with greater range and sophistication.