Webster's Revised Unabridged Dictionary · 1913

Apt

Apt (apt) , adjective

[French apte, Latin aptus, from obsolete apere to fasten, to join, to fit, akin to apisci to reach, attain: compare Greek {not transcribed} to fasten, Sanskrit āpta fit, from āp to reach attain.]

1.
Fit or fitted; suited; suitable; appropriate.
They have always apt instruments. — Burke
A river... apt to be forded by a lamb. — Jer. Taylor
2.
Having an habitual tendency; habitually liable or likely; -- used of things.
My vines and peaches... were apt to have a soot or smuttiness upon their leaves and fruit. — Temple
This tree, if unprotected, is apt to be stripped of the leaves by a leaf-cutting ant. — Lubbock
3.
Inclined; disposed customarily; given; ready; -- used of persons.
Apter to give than thou wit be to ask. — Beau. & Fl
That lofty pity with which prosperous folk are apt to remember their grandfathers. — F. Harrison
4.
Ready; especially fitted or qualified (to do something); quick to learn; prompt; expert; as, a pupil apt to learn; an apt scholar.
An apt wit. — Johnson
Live a thousand years, I shall not find myself so apt to die. — Shakespeare
I find thee apt... Now, Hamlet, hear. — Shakespeare

Apt , transitive verb

[Latin aptare. See Aptate.]

To fit; to suit; to adapt. [Obsolete]
To apt their places. — B. Jonson
That our speech be apted to edification. — Jer. Taylor