When it comes to altering direction or altering one's path, the phrase "change course" is often used. This term can refer to adjustments in a person's life, career, or any other endeavors. If you're looking for synonyms that can be used interchangeably with this phrase, you may want to try using the words "shift" or "pivot" as a replacement. "Alter direction" or "change tack" can also be used to indicate a move away from the original plan. Other alternatives include "diverge," "veer off," "sway," or "deviate" which all imply a turning point within a particular situation.