There are a plethora of words and phrases that can be used as synonyms for "caused a scene". For example, someone may "attracted attention", "stirred up trouble", "made a fuss", "caused uproar", "raised eyebrows", "created a commotion", "disturbed the peace", or "made a spectacle". Other options include "caused a ruckus", "instigated chaos", "provoked a reaction", "generated a disturbance", "set off alarms", or "ignited a firestorm". While these words and phrases all differ slightly in meaning and connotation, they all convey the idea of someone drawing significant attention and possibly causing disruption or discomfort.