Nouns and the words they combine with phenomenon common , isolated , natural , recent , universal Such anti-social behaviour is a recent phenomenon . results conflicting, (in)conclusive, unforeseen 5 , preliminary 6 , encouraging, interim 7 Our preliminary results were encouraging. role decisive , challenging , conflicting , influential , key , pivotal 8 Student activists played a pivotal role in the riot. sample random , representative A representative sample of the population was surveyed. in ... terms absolute , broad , relative , general, practical , economic People are better off in economic terms. way alternative, efficient, fair, practical, convenient, proper, acceptable It is important to treat your research subjects in a fair way .