depend v. /dɪˈpend/

"depend on/upon" 

The success of this project depends on our ability to work together.

Whether we can go for an outing or not will depend upon the weather.

I depend on my assistant to help me prepare the document.

that depends | it (all) depends 

‘Is he coming?’ ‘That depends. He may not have the time.’

 I might not go. It depends how tired I am.

dependent /dɪˈpendənt/ adj

You can't be dependent on your parents all your life.  

The success of the project is dependent on how wellthe team work together.   

independent adj /ˌɪndɪˈpendənt/

an independent nation,

She's an independent thinker who doesn't follow the crowd.