sequitur (n.)

• addendum
• afterthought
• appendix
• chorus
• coda
• codicil
• colophon
• conclusion
• consequence
• continuance
• continuation
• deduction
• envoi
• epilogue
• follow-through
• follow-up
• illation
• judgment
• peroration
• postfix
• postlude
• postscript
• ratiocination
• refrain
• sequel
• sequela
• subscript
• suffix
• supplement
• tag