Increasing in amount, degree, force, or intensity; advancing; growing.

The process of making something sharp or sharper, in various senses. Cf. acuate, adj.

That heightens (transitive and intransitive): see heighten, v.

That becomes stronger, growing, increasing.

(up-, prefix affix 3c(b).)

That exalts (in various senses of the verb).

That tends to enhance or intensify; spec. designating a sentence or word of which the second part is more forcible than the first, or the second…