Tact and subtle skill in dealing with people so as to avoid or settle hostility.
The art and practice of conducting international relations by negotiating alliances, treaties, agreements etc., bilaterally or multilaterally, between states and sometimes international organizations, or even between polities with varying status, such as those of monarchs and their princely vassals.
Restraint and grace of style.
Grace, refinement, and beauty in movement, appearance, or manners.
The beauty of an idea characterized by minimalism and intuitiveness while preserving exactness and precision.