morale

The confidence, enthusiasm, and discipline of a person or group at a particular time.

• (no common derivatives; distinct from "moral")

• boost morale
• low morale
• staff morale
• morale is high
• damage morale
• morale boost

1. 1.The unexpected victory boosted the team's morale after a string of defeats. (confidence)
2. 2.Low morale among nurses led to high turnover rates across the hospital system. (enthusiasm/spirit)

• spirit/ˈspɪrɪt/— the prevailing mood
• confidence/ˈkɒnfɪdəns/— belief in one's abilities
• esprit de corps /ɛˌspriː dəˈkɔːr/ (group pride and loyalty — French)

from French "moral" (mental, as in mental state) — later respelled to distinguish from "moral" (ethical)