Ensue, v. i.
To follow or come afterward; to follow as a consequence or in chronological succession; to result; as, an ensuing conclusion or effect; the year ensuing was a cold one. So spoke the Dame, but no applause ensued. Pope. Damage to the mind or the body, or to both, ensues, unless the exciting cause be presently removed. I. Taylor.
Syn. -- To follow; pursue; succeed. See Follow.
1 other Webster entry under this spelling
Ensue, v. t. [imp. & p. p. Ensued; p. pr. & vb. n. Ensuing.]
To follow; to pursue; to follow and overtake. [Obs.] "Seek peace, and ensue it." 1 Pet. iii. 11. To ensue his example in doing the like mischief. Golding.
Shades of meaning
Fernald has no entry of its own for ensue; he lists it under follow.
He lists it without comment; the entries above explain its neighbors.