Using "Foster" In A Sentence 
= to encourage and create s/t or more of s/t. Usually used in a positive way.

The man hoped to foster a strong work ethic in his son.

The professor hoped to foster a genuine interest in his students to pursue research.

Being exposed to such negative influenced caused the child to foster resentment for all adults.

Listening to music always helped him to foster new ideas.

You cannot foster a relationship if one party is unwilling to cooperate.

His mother always worked to foster compassion in him.

Though he demanded respect, he did nothing to foster its growth in his children.