open up

verb

1. 1

   make available

   This opens up new possibilities

2. 2

   become available

   an opportunity opened up

3. 3

   talk freely and without inhibition

4. 4

   cause to open or to become open

   Mary opened the car door

5. 5

   become open

   The door opened

6. 6

   open up an area or prepare a way

   She pioneered a graduate program for women students

7. 7

   start to operate or function or cause to start operating or functioning

   open a business