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: an ascending slope (as of a hill)
1614, in the meaning defined above
borrowed from Latin acclīvitāt-, acclīvitās, from acclīvis, acclīvus "sloping upwards" (from ad- ad- + clīvus "slope, incline") + -itāt-, -itās -ity — more at declivity
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a magnificent or impressive array
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