Open summon Synonyms

Definitions for Open

(adjective) allowing passage without obstruction
(adjective) freely available for use or participation by all
(adjective) being in a situation where one is likely to meet with harm

OS abbreviation

OS is an abbreviation for Open Summon

What does OS stand for?

OS stands for "Open Summon"

Summon replaced

open challenge

open petition

Definitions for Summon

(verb) to demand or request the presence or service of
(verb) to call into being through the use of one's inner resources or powers
(verb) to bring together in assembly by or as if by command