Turkish President Recep Tayyip Erdogan has said it is necessary to redefine terrorism to include those who support such acts.
Mr Erdogan added that this could be a journalist, a lawmaker or an activist.
He was speaking a day after a bomb attack in the Turkish capital Ankara that killed 37 people.
No group has so far claimed the blast, but Prime Minister Ahmet Davutoglu said evidence "almost certainly" pointed towards the banned PKK (Kurdistan Workers' Party) separatist group.
On Monday,March 14, Turkey launched air strikes against Kurdish rebels in northern Iraq.
Red more: Ankara bombing: Erdogan seeks to widen terrorism definition - BBC News