The term 'go ahead of' can be broken down into four crossword solutions: LEAD (4 letters), PASS (4 letters), PRECEDE (7 letters), and ANTECEDE (8 letters). LEAD means to take the initiative and guide others, while PASS means to move past or beyond something. PRECEDE means to come before in time, place, or order, and ANTECEDE means to go before in time, order, rank, or importance. The letter J is also associated with this term, although it is not clear what it stands for.