due

(noun) that which is deserved or owed. Example: "Give the devil his due."

(noun) a payment that is due (e.g., as the price of membership). Example: "The society dropped him for non-payment of dues."

(adj) owed and payable immediately or on demand. Synonyms: due (vs. undue). Example: "Payment is due."

(adj) scheduled to arrive. Synonyms: due(predicate). Example: "The train is due in 15 minutes."

(adj) suitable to or expected in the circumstances. Synonyms: due (vs. undue). Examples: "All due respect." "Due cause to honor them." "A long due promotion." "In due course." "Due esteem." "Exercising due care."

(adj) capable of being assigned or credited to. Synonyms: ascribable, imputable, referable. Examples: "Punctuation errors ascribable to careless proofreading." "The cancellation of the concert was due to the rain." "The oversight was not imputable to him."

(adv) directly or exactly; straight. Example: "Went due north."