military, naval
fascist, Nazi
crisp (esp. AmE), sharp (esp. AmE), smart
casual, half-hearted, sloppy
mock

give (sb), snap (AmE), throw (AmE)
The sentry gave a smart salute and waved us on.
The Admiral snapped a sharp salute.

acknowledge, return
take (BrE)
The Queen took the salute as the guardsmen marched past.

final, last
21-gun, etc.
triumphant, victory

in salute
The guests raised their glasses in salute.

salute from
The retiring editor received a special salute from the local newspaper.

salute to
His first words were a salute to the people of South Africa.