willpower

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the trait of resolutely controlling your own behavior (Freq. 1)
• Syn:
self-control, self-possession, possession, will power, self-command, self-will
• Hypernyms:
resoluteness, firmness, firmness of purpose, resolve, resolution
• Hyponyms:
nerves, presence of mind