Maneuver, Manoeuvre, n. — Webster enters it under “maneuver”
Etymology: [F. manoeuvre, OF. manuevre, LL. manopera, lit., hand work, manual labor; L.manus hand + opera, fr. opus work. See Manual, Operate, and cf. Mainor, Manure.]
1. Management; dexterous movement; specif., a military or naval evolution, movement, or change of position.
2. Management with address or artful design; adroit proceeding; stratagem.
2 other Webster entries under this spelling
Maneuver, Manoeuvre, v. i. [imp. & p. p. Maneuvered or Manoeuvred; p. pr. & vb. n. Maneuvering (, or Manoeuvring (.]
1. To perform a movement or movements in military or naval tactics; to make changes in position with reference to getting advantage in attack or defense.
2. To manage with address or art; to scheme.
Maneuver, Manoeuvre, v. t.
To change the positions of, as of troops of ships.
Shades of meaning
Fernald lists maneuvering only as an antonym, under candid.
He lists it without comment; the entries above explain its neighbors.