PRESIDENTIAL
presidential
(adjective) befitting a president; “criticized the candidate for not looking presidential”
presidential
(adjective) relating to a president or presidency; “presidential aides”; “presidential veto”
Source: WordNet® 3.1
Etymology
Adjective
presidential (comparative more presidential, superlative most presidential)
Pertaining to a president or presidency. [from 17th c.]
(obsolete) Presiding or watching over. [17th-19th c.]
With the bearing or composure that befits a president; stately, dignified. [from 19th c.]
Source: Wiktionary
Pres`i*den"tial, a.
1. Presiding or watching over. "Presidential angels." Glanvill.
2. Of or pertaining to a president; as, the presidential chair; a
presidential election.
Source: Webster’s Unabridged Dictionary 1913 Edition