Turkey has been upgrading its status in international politics and has recently achieved a higher degree of autonomy in its foreign policy. The stronger Turkey gets, the more threats it faces from friendly countries as well as adversarial actors, and the more it is otherized by foreign governments.
Turkey initiated a large-scale Westernization project immediately after the declaration of the Republic. It had decided to follow the footsteps of the enemy it had fought during World War I and the Independence War. It introduced many political, economic, even social and cultural reforms during the first two decades of the interwar period. In the wake of World War II, the Soviet threat further paved the way for Turkey's alliance with the West.
At a time when Turkey and Greece have had significant disagreements, Tsipras' meeting with Erdoğan can be considered a confidence-building step