1) About to happen 2) Awaiting 3) Being prepared 4) Coming 5) Coming up 6) Due to happen 7) Forthcoming 8) Imminent 9) Planned 10) Set aside for the future 11) To come 12) To store up 13) Waiting 14) Yet to come Found on https://www.crosswordclues.com/clue/instore
In·store' transitive verb [ See Instaurate , Store .] To store up; to inclose; to contain. [ Obsolete] Wyclif. Found on http://www.encyclo.co.uk/webster/I/71