Continuation is the act of continuing something, and can refer to a variety of different things. POSTSCRIPT (10 letters) is an ADDITION or supplement to a document, while DURATION (8 letters) is the length of time something lasts. FURTHERANCE (11 letters) is the act of helping something progress, while MAINTENANCE (11 letters) is the act of keeping something in good condition. PROLONGATION (12 letters) is the act of making something last longer, and ENDURANCE (9 letters) is the ability to withstand something. SEQUEL (6 letters) is a continuation of a story, while INCREASE (8 letters) is the act of making something larger. CONTINUANCE (11 letters) is the act of continuing something, and ENLARGEMENT (11 letters) is the act of making something bigger. SUCCESSION (10 letters) is the act of following in order, while ADDITION (8 letters) is the act of adding something. EXTENSION (9 letters) is the act of making something longer.