impetus /imˈpi-təs/

1. Momentum
2. Impulse
3. Incentive

• aloha shirts
• alone
• alonely
• aloneness
• alonenesses
• along
• a long figure
• a long purse
• alongshore
• alongshoreman
• alongshoremen
• alongside
• alongst
• along the lines of
• along with
• aloo
• aloof
• aloofly
• aloofness
• aloofnesses
• aloos
• alopecia
• alopecia areata
• alopecias
• alopecoid