consolidate āļāļ·āļāļāļ°āđāļĢ consolidate āļāļ·āļāļāļ°āđāļĢ To unite into one system or whole; combine: consolidated five separate agencies into a single department. To make strong or secure; strengthen: She consolidated her power during her first year in office. To make firm or coherent; form into a compact mass.To become solidified or united.To join in a merger or union: The two firms consolidated under a new name.