maintain (Verb) — Cause to remain in a certain state, position, or activity.
maintain (Verb) — Keep in safety and protect from harm, decay, loss, or destruction. ex. "children must be taught to maintain our national heritage"
maintain (Verb) — Supply with necessities and support. ex. "She alone maintained her family"
maintain (Verb) — State categorically.
maintain (Verb) — Have and exercise. ex. "maintain power and authority"
maintain (Verb) — Have and look after for use and service. ex. "I maintain a car in the countryside"
maintain (Verb) — Maintain by writing regular records. ex. "maintain a record"
maintain (Verb) — State or assert. ex. "He maintained his innocence"
maintain (Verb) — Support against an opponent. ex. "The appellate court maintained the verdict"
maintain (Verb) — Stick to correctly or closely. ex. "The pianist maintained time with the metronome"