"Gain ground" is a phrase that means "to make progress" or "to advance". There are many synonyms for this phrase, each with its own connotations and nuances. Some alternatives include "make headway", "move forward", "gain traction", "make strides", and "forge ahead". These phrases all describe the act of making progress, but they each convey a slightly different tone. "Make headway" implies a slow and steady progress, while "forge ahead" suggests a bold and determined advancement. "Move forward" is a simple and straightforward synonym, while "gain traction" speaks to making progress in an area where success was previously difficult. Regardless of which synonym is used, the meaning is clear: progress is being made.