It's been a struggle to balance my professional and family 'commitments'. [=to do both what I have promised to do for my job and what I have promised to do for my family]
I can't coach my daughter's basketball team. I have too many 'commitments' already. [=I have too many things that I have promised to do]
Opening your own business requires a significant 'financial commitment'. [=it requires you to spend a lot of money over a long time]
(..) We have purged your fear. You are ready to lead these men. You are ready to become a member of the League of Shadows. But first, you must demonstrate your commitment to justice. No. I'm no executioner. DUCARD: Your compassion is a weakness your enemies will not share. That's why it's so important. (..)2005 Batman Begins