politic

adjectives

marked by artful prudence, expedience, and shrewdness
"it is neither polite nor politic to get into other people's quarrels"; "a politic decision"; "a politic manager"; "a politic old scoundrel"; "a shrewd and politic reply"
politic
antonym
impolitic
is similar to
appropriate to a purpose; practical
"in the circumstances it was expedient to express loyalty"
expedient
is similar to
skillful in statecraft or management
"an astute and sagacious statesman"
sagacious
see also
using or marked by tact in dealing with sensitive matters or people
"the hostess averted a confrontation with a diplomatic chenage of subject"
diplomatic, diplomatical
smoothly agreeable and courteous with a degree of sophistication
"he was too politic to quarrel with so important a personage"; "the manager pacified the customer with a smooth apology for the error"
bland, politic, smooth, suave