in reserve (?.)

• about to be
• already in sight
• approaching
• aside
• at hand
• back
• brewing
• by
• close
• close at hand
• coming
• forthcoming
• future
• gathering
• going to happen
• immediate
• imminent
• impendent
• impending
• in anticipation
• in danger imminent
• in prospect
• in readiness
• in store
• in the cards
• in the offing
• in the wind
• in view
• instant
• looming
• lowering
• lurking
• menacing
• near
• near at hand
• nearing
• on the horizon
• overhanging
• preparing
• that will be
• threatening
• to come
• upcoming
• waiting