open
US /ˈoʊ.pən/
UK /ˈoʊ.pən/

1.
3.
frank and communicative; not secretive
:
•
She was very open about her feelings.
•
He has an open mind to new ideas.
1.
2.
start or begin (an event, a business, or a period of time)
:
•
The new store will open next month.
•
The meeting will open with a prayer.
1.
an open or unobstructed space
:
•
They ran out into the open.
•
The vast open of the desert stretched before them.