☆artificial synthetic, fabricated, contrived, fake, mock, bogus, counterfeit, pseudo ☆conventional traditional, historical, past; accepted, common, regular, routine, mainstream, ordinary ☆demand request, claim, need, order, require, call for ☆decline decrease, degeneration, drop, fall, recession, depression, reduction, slump, worsening ☆develop evolve, advance, grow, improve, progress, flourish ☆difficulty handicap, hardship, adversity, challenge, complication, dilemma, perplexity, plight, trouble ☆early first, old, ancient, primitive, previous, former, remote ☆find discover, come across, encounter, hit on, expose, notice, note, observe, recognize, spot, uncover ☆future what's next, prospect, approaching, expected, destined, forthcoming ☆how describe, operate, explain, clarify, demonstrate, eludicate, expound, illustrate, interpret, account for ☆inevitable unavoidable, certain, destined, fated, inescapable, sure ☆militant armed, belligerent, army, weapon, warlike ☆objection commercial challenge, complaint, disapproval, opposition, protest, query, question, remonstration ☆obstacle bar, barricade, barrier, block, blockage, check, obstruction, problem, snag, hurdle ☆prevalent common, usual, prevailing, widespread, systematic, collective, general, popular ☆reduce curtail, cut, decrease, halve, impair, lessen, moderate, trim, slash