Having one dominant party does not make the country an autocracy or prevent Turkey being a liberal democracy. There have been many countries that are considered democratic that have had single parties ruling for long periods. In the UK the Conservatives in the 1980’s and Labour in the 2000’s won three elections just as the AKP has. In Japan the LDP has only lost two elections since the start of Japan’s post World War II democratic system yet it is accepted as being a legitimate democracy. Rather than worrying about a single party dominance we should be applauding parties that are successful in putting together such a broad coalition that they can win election after election, they clearly represent most of the population which is the point of democracy.