open up

1 :  to make available or possible The discovery opens up the possibility of new cures.

2 :  to make plain or visible :  disclose

3 :  to open by cutting into

1 :  to become available or possible The hostess will let us know when a table opens up.

2 :  to spread out or come into view The road opens up ahead.

3 :  to commence firing

4 :  to become communicative tried to get the patient to open up