Sequel, n.
Etymology: [L. sequela, fr. sequit to follow: cf. F. séquelle a following. See Sue to follow.]
1. That which follows; a succeeding part; continuation; as, the sequel of a man's advantures or history. O, let me say no more! Gather the sequel by that went before. Shak.
2. Consequence; event; effect; result; as, let the sun cease, fail, or swerve, and the sequel would be ruin.
3. Conclusion; inference. [R.] Whitgift.
Shades of meaning
Fernald has no entry of its own for sequel; he lists it under catastrophe, consequence, event.
He lists it without comment; the entries above explain its neighbors.