viable - possible, cost-effective, safe, can be done or achieved or used, likely to be successful⏎
uncontested - unopposed, undisputed⏎
sink - decrease, deteriorate, suppress⏎
thrive - prosper, flourish, become strong or healthy or successful⏎
surpass - outdo, be superior⏎
setback - difficulty, problem, delay, hitch⏎
volatile - excitable, transient, suddenly changeable⏎
restraint - limit, moderation⏎
upsurge - sudden large increase⏎
support - help/er, aid, resource/s, encourage/ment, advocate, augment, bolster, protect/ion, insulate/insulation, addition, add to⏎