gumption (n.)

• adventurousness
• aggression
• aggressiveness
• ambitiousness
• astuteness
• audacity
• backbone
• balls
• boldness
• bottle
• cleverness
• courage
• daring
• drive
• dynamism
• energy
• enterprise
• enterprisingness
• force
• forcefulness
• gameness
• get-up-and-go
• getup
• go
• go-ahead
• grit
• guts
• hustle
• initiative
• judgement
• judgment
• mettle
• moxie
• nerve
• nous
• perspicaciousness
• perspicacity
• pluck
• push
• pushiness
• resourcefulness
• sagaciousness
• sagacity
• shrewdness
• spirit
• spunk
• stamina
• venturesomeness
• venturousness
• vigor
• wisdom