cogency (n.)

• acuity
• acumen
• acuteness
• advantageousness
• agreeableness
• amperage
• apperception
• astuteness
• auspiciousness
• authority
• bearing
• beef
• benevolence
• benignity
• charge
• charisma
• class
• clout
• compulsion
• concern
• connection
• desert
• dint
• discernment
• drive
• duress
• effect
• effectiveness
• effectuality
• energy
• excellence
• expedience
• fairness
• farsightedness
• favorableness
• fineness
• force
• forcefulness
• foresight
• foresightedness
• goodness
• grace
• healthiness
• helpfulness
• incisiveness
• influence
• insight
• justness
• kindness
• longsightedness
• mana
• merit
• might
• mightiness
• moxie
• niceness
• penetration
• perception
• perceptiveness
• perspicaciousness
• perspicacity
• perspicuity
• perspicuousness
• pertinence
• pizzazz
• pleasantness
• poop
• potence
• potency
• potentiality
• power
• powerfulness
• prepotency
• productiveness
• productivity
• profitableness
• providence
• puissance
• pull
• punch
• push
• quality
• relevance
• sagaciousness
• sagacity
• sensibility
• sinew
• skillfulness
• solidity
• soundness
• steam
• strength
• substantiality
• superiority
• superpower
• trenchancy
• usefulness
• validity
• value
• vehemence
• vigor
• vim
• virility
• virtue
• virtuousness
• virulence
• vitality
• wattage
• weight
• wholeness
• worth