open

> open
(verb)
expand, spread.
begin, commence, initiate.
disclose, exhibit, reveal, show.
unbar, unclose, uncover, unlock, unseal, untie.

> open
(adjective)
expanded, extended, unclosed, spread wide.
aboveboard, artless, candid, cordial, fair, frank, guileless, hearty, honest, sincere, openhearted, single-minded, undesigning, undisguised, undissembling, unreserved.
bounteous, bountiful, free, generous, liberal, munificent.
ajar, uncovered.
exposed, undefended, unprotected.
clear, unobstructed.
accessible, public, unenclosed, unrestricted.
mild, moderate.
apparent, debatable, evident, obvious, patent, plain, undetermined.