A "peaceful election" means that during the voting process, there is no violence, unrest, or conflict. It signifies that people are able to vote freely without fear or disturbance. Full definition
He was optimistic that peace would prevail for the conduct of peaceful elections in the country this year. (ghanapoliticsonline.com)
It will be a repeat of the 2013 election which saw the same men vying for the top job in a relatively peaceful election. (ghanapoliticsonline.com)
Muslims in Ghana have been beseeched to pray for peaceful elections in the country as they begin the month - long Ramadan fast. (ghanapoliticsonline.com)