Barack Obama Becomes 44th US President

pres⋅i⋅den⋅tial:[prez-i-den-shuhl]:
–adjective
1.
of or pertaining to a president or presidency.
2.
of the nature of a president.
exp:this rule is presidental so we can't do anything about it.

inauguration:/ɪnˌɔgyəˈreɪʃən, -gə-/ :–noun
an act or ceremony of inaugurating.
exp:I listened barak obama's inauguration today he impressed all people.