Determine in advance is a phrase that refers to the act of making a decision or plan before an event or situation occurs. The two crossword solutions for this phrase are 'preset' and 'PREFORM'. Preset is a 6 letter word meaning to set in advance, while PREFORM is a 7 letter word meaning to form or shape beforehand. Both words refer to the same concept of making a decision or plan before an event or situation occurs.