SENSEFUL
Sense"ful, a.

Defn: Full of sense, meaning, or reason; reasonable; judicious. [R.]
"Senseful speech." Spenser. "Men, otherwise senseful and ingenious."
Norris.

SENSELESS
Sense"less, a.

Defn: Destitute of, deficient in, or contrary to, sense; without
sensibility or feeling; unconscious; stupid; foolish; unwise;
unreasonable.
You blocks, you stones, you worse than senseless things. Shak.
The ears are senseless that should give us hearing. Shak.
The senseless grave feels not your pious sorrows. Rowe.
They were a senseless, stupid race. Swift.
They would repent this their senseless perverseness when it would be
too late. Clarendon.
—- Sense"less*ly, adv.
— Sense"less*ness, n.

SENSIBILITY
Sen`si*bil"i*ty, n.; pl. Sensibilities. Etym: [Cf. F. sensibilité,
LL. sensibilitas.]

1. (Physiol.)

Defn: The quality or state of being sensible, or capable of sensation; capacity to feel or perceive.

2. The capacity of emotion or feeling, as distinguished from the intellect and the will; peculiar susceptibility of impression, pleasurable or painful; delicacy of feeling; quick emotion or sympathy; as, sensibility to pleasure or pain; sensibility to shame or praise; exquisite sensibility; — often used in the plural. "Sensibilities so fine!" Cowper. The true lawgiver ought to have a heart full of sensibility. Burke. His sensibilities seem rather to have been those of patriotism than of wounded pride. Marshall.

3. Experience of sensation; actual feeling. This adds greatly to my sensibility. Burke.

4. That quality of an instrument which makes it indicate very slight changes of condition; delicacy; as, the sensibility of a balance, or of a thermometer.