disciplined

[ dis-uh-plind ]

/ ˈdɪs ə plɪnd /

having or exhibiting discipline; rigorous: paintings characterized by a disciplined technique.

Origin of disciplined

1350–1400; Middle English. See discipline, -ed²

non·dis·ci·plined, adjective un·dis·ci·plined, adjective well-dis·ci·plined, adjective

Curiously enough, seizure of the Gate by force had not occurred to any of this law-abiding, well-disciplined group.

Astounding Stories, August, 1931 |Various
Horace and I, like well-disciplined troops, did not let him precede us by more than an inch.

The Believing Years |Edmund Lester Pearson
He came almost immediately—came with his usual hasty step and with much of his usual expression on his well-disciplined features.

Hand and Ring |Anna Katharine Green
They are a well-disciplined body, voting as one man, though capable of speaking enough for a thousand.

Handbook of Home Rule (1887) |W. E. Gladstone et al.

A numerous and well-disciplined army, perhaps the finest in the world, gave him superiority over the Christians of the north.

A Literary History of the Arabs |Reynold Nicholson

well-disciplined

having been strictly trained or conditioned to ensure good behaviour, orderliness, etc