DEMONSTRABLY
De*mon"stra*bly, adv.

Defn: In a demonstrable manner; incontrovertibly; clearly.
Cases that demonstrably concerned the public cause. Clarendon.

DEMONSTRANCE
De*mon"strance, n. Etym: [OF. demonstrance.]

Defn: Demonstration; proof. [Obs.] Holland.

DEMONSTRATE Dem"on*strate, v. t. Etym: [L. demonstratus, p. p. of demonstrare to demonstrate; de- + monstrare to show. See Monster.]

1. To point out; to show; to exhibit; to make evident. Shak.

2. To show, or make evident, by reasoning or proof; to prove by deduction; to establish so as to exclude the possibility of doubt or denial. We can not demonstrate these things so as to show that the contrary often involves a contradiction. Tillotson.

3. (Anat.)

Defn: To exhibit and explain (a dissection or other anatomical preparation).

DEMONSTRATER
Dem"on*stra`ter, n.