involve

(verb) connect closely and often incriminatingly. Synonyms: affect, regard. Examples: "This new ruling affects your business."

(verb) engage as a participant. Examples: "Don't involve me in your family affairs!."

(verb) have as a necessary feature. Synonyms: imply. Examples: "This decision involves many changes."

(verb) require as useful, just, or proper. Synonyms: necessitate, ask, postulate, need, require, take, call for, demand. Examples: "It takes nerve to do what she did." "Success usually requires hard work." "This job asks a lot of patience and skill." "This position demands a lot of personal sacrifice." "This dinner calls for a spectacular dessert." "This intervention does not postulate a patient's consent."

(verb) contain as a part. Examples: "Dinner at joe's always involves at least six courses."

(verb) occupy or engage the interest of. Examples: "His story completely involved me during the entire afternoon."

(verb) make complex or intricate or complicated. Examples: "The situation was rather involved."