1. Antonyms for Acclivities include declensions, decline, declivities, descent, dips, downgrades, downhill, drop-offs, falls and hangs

2. Aymara, also Aymara (etymology unknown as yet), a numerous tribe of sedentary Indians inhabiting the northern sections of Bolivia, part of the eastern declivities of the Andes of that republic, and the sections of Peru bordering upon Lake Titicaca, except its northern extremity, which is held by Quichua-speaking Indians