open

sense 1: cause to open or to become open; "Mary opened the car door"
open open_up

sense 2: start to operate or function or cause to start operating or functioning; "open a business"
open open_up

sense 3: become open; "The door opened"
open open_up

sense 4: begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"
open

sense 5: spread out or open from a closed or folded state; "open the map"; "spread your arms"
unfold spread spread_out open

sense 6: make available, as of an opportunity; "This opens up new possibilities"
open open_up

sense 7: become available; "an opportunity opened up"
open open_up

sense 8: have an opening or passage or outlet; "The bedrooms open into the hall"
open

sense 9: make the opening move, in chess; "Kasparov opened with a standard opening"
open

sense 10: afford access to; "the door opens to the patio"; "The French doors give onto a terrace"
afford open give

sense 11: display the contents of a file or start an application
open