mission

(noun) an organization of missionaries in a foreign land sent to carry on religious work. Synonyms: missionary post, missionary station, foreign mission.

(noun) an operation that is assigned by a higher headquarters. Synonyms: military mission. Example: "The planes were on a bombing mission."

(noun) a special assignment that is given to a person or group. Synonyms: charge, commission. Examples: "A confidential mission to london." "His charge was deliver a message."

(noun) the organized work of a religious missionary. Synonyms: missionary work.

(noun) a group of representatives or delegates. Synonyms: deputation, commission, delegation, delegacy.