pres·i·den·tial 
(prĕz′ĭ-dĕnshəl)
(prĕz′ĭ-dĕnshəl)adj.
1.
a. Of or relating to a president or presidency.
b. Befitting a president, especially the office of the president of the United States: criticized the candidate for not looking presidential.
2. Of or relating to a political system in which the chief officer is a president who is elected independently of the legislature for a fixed term: a presidential government.
pres′i·dential·ly adv.