1) Aptly sensitive 2) Careful 3) Cautious 4) Circumspect 5) Considerate 6) Diplomatic 7) Discerning 8) Discreet 9) Discreet and diplomatic 10) Endowed with savoir-faire 11) Having savoir-faire 12) Judicious 13) Like a good diplomat 14) Prudent 15) Replete with diplomacy 16) Reserved 1) Considerate 2) Diplomatic 3) Diplomatical 4) Discreet 5) Politic 6) Qiplomatic 
• (a.) Full of tact; characterized by a discerning sense of what is right, proper, or judicious.
Tact'ful adjective Full of tact; characterized by a discerning sense of what is right, proper, or judicious. 
[adj] - having or showing a sense of what is fitting and considerate in dealing with others 2. [adj] - showing skill and sensitivity in dealing with people
kid-glove adjective showing skill and sensitivity in dealing with people; `by diplomatic conduct he avoided antagonizing anyone`; `a tactful way of correcting someone`; `the agency got the kid-glove treatment on Capitol Hill`
[SAT terms] having a sense of what is considerate in dealing with others showing skill and sensitivity in dealing with people