| major asset(expression, reason, importance, significance) |
| major cause(expression, reason, importance, significance) |
| major concern(expression, reason, importance, significance) |
| major premise(expression, reason, importance, significance) |
| major reason(expression, reason, importance, significance) |
| major term(expression, reason, importance, significance) |
| manager(noun, superior, head, boss, leader) |
| master factor(expression, reason, importance, significance) |
| mogul(noun, person, vip, princess) |
| original cause(expression, reason, importance, significance) |
| original reason(expression, reason, importance, significance) |
| overriding reason(expression, reason, importance, significance) |
| overriding term(expression, reason, importance, significance) |
| pacing factor(expression, reason, importance, significance) |
| pacing item(expression, reason, importance, significance) |
| primal cause(expression, reason, importance, significance) |
| primary cause(expression, reason, importance, significance) |
| primary reason(expression, reason, importance, significance) |
| prime cause(expression, reason, importance, significance) |
| prime mover(expression, reason, importance, significance) |