adverb
plausibly; tactfully; gracefully
Used when someone does something in a way that maintains appearances, avoids awkwardness, or handles a situation smoothly without causing offense. Often implies a degree of social finesse or face-saving.
彼は体良く断った。
He declined tactfully.
体良くその場を離れた。
I gracefully left the scene.
上手に means 'skillfully' or 'well done' in a general sense, while 体良く emphasizes social grace and tact in handling delicate situations.
丁寧に means 'politely' or 'carefully', focusing on courteous behavior, whereas 体良く adds a nuance of plausibility and smoothness in potentially awkward interactions.
Compound of 体 (てい, 'appearance', 'form') and 良く (よく, adverbial form of 良い, 'good'). Literally 'in a good form', it developed the meaning of doing something in a presentable or tactful manner.