boost - increase, improve, strengthen, augment⏎
boycott - avoid, refuse, shun⏎
circular - advertisement, publication, notice, letter, leaflet, notice, notification, flyer⏎
bias - against, for, towards, tendency, influence in favour of, in favor of⏎
ability - skill, intelligence, competence, experience, expertise, capability⏎
available - free, ready, potential, offered, on offer⏎
caretaker - custodian, janitor⏎
convene - meet, gather together, organise a meeting⏎
aggressive - determined, firm, pushy, vigorous⏎
coupon - voucher⏎