Kenneth G. Wilson (1923). The Columbia Guide to Standard American English. 1993.
aggregate (adj., n., v.)
Functional shift permits these homographs to serve as adjective (We deal in aggregate figures here), as verb (The full list aggregates more than a hundred members), and noun (In the aggregate there is sand, gravel, cement, and water; In the aggregate, their troops outnumbered ours). The final syllable of the verb is pronounced -GAIT, secondarily stressed; for the noun and adjective, its -git, unstressed.