unbar - remove a bar from (a door, for example)

break open - open with force; "He broke open the the picnic basket"

click open - open with a clicking sound; "These keys have clicked open many doors"

reopen - open again or anew; "They reopened the theater"

unlock - open the lock of; "unlock the door"

unbolt - undo the bolt of; "unbolt the door"

unseal - break the seal of; "He unsealed the letter"

uncork - draw the cork from (bottles); "uncork the French wine"

jimmy, lever, prise, pry, prize - to move or force, especially in an effort to get something open; "The burglar jimmied the lock", "Raccoons managed to pry the lid off the garbage pail"

gap, breach - make an opening or gap in

lance - open by piercing with a lancet; "lance a boil"

come up, arise - occur; "A slight unpleasantness arose from this discussion"

yield, afford, give - be the cause or source of; "He gave me a lot of trouble"; "Our meeting afforded much interesting information"

innovate, introduce - bring something new to an environment; "A new word processor was introduced"

establish, found, launch, set up - set up or found; "She set up a literacy program"

change state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"

unfasten - become undone or untied; "The shoelaces unfastened"

fly open - come open suddenly; "the doors flew open in the stroang gust"

mouth, speak, talk, verbalise, verbalize, utter - express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize"