The members of a team who are scheduled to play a game. [PJC]
The formation of football players before the start or a restart of play. [PJC]
a list of batters in the order in which they will bat. [WordNet 1.5]
any arrangement of persons (rarely, of things), esp. when having a common purpose or sentiment; as, the line-up at a ticket-office window; the line-up of political factions. [PJC]
A group of persons including a suspect in a police investigation, arranged so as to be observed by a witness, who is requested to identify the perpetrator, if he/she is present in the group. Such an identification may be used as evidence of guilt of the suspect. Also called a police lineup. [PJC]

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THESAURUS

lineup

agenda, approach, arrangement, array, attack, batting order, beadroll, bill, bill of fare, blueprint, blueprinting, budget, cadastre, calculation, calendar, card, carte du jour, census, census report, charting, checklist, checkroll, conception, concord, contrivance, deployment, design, device, disposal, disposition, docket, dramatis personae, enterprise, envisagement, figuring, foresight, forethought, formation, game, graphing, ground plan, guidelines, harmony, head count, honor roll, idea, intention, jury list, jury panel, layout, list of agenda, long-range plan, mapping, marshaling, master plan, menu, method, methodology, muster, muster roll, nose count, operations research, order, order of business, organization, peace, plan, planning, planning function, playbill, poll, prearrangement, procedure, program, program of action, program of operation, programma, property roll, proportion, prospectus, protocol, questionnaire, quiet, quietude, rationalization, regularity, returns, roll, roll call, roster, rota, routine, schedule, schema, schematism, schematization, scheme, scheme of arrangement, scroll, setup, slate, strategic plan, strategy, structure, symmetry, system, systematization, tactical plan, tactics, tax roll, the big picture, the picture, tranquillity, uniformity, way, working plan

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