Thanks Jason. getSense() does the trick: i was simply trying to get
synsetids of the unique beginners:
@uniqBegNames = ("entity#n#1", "psychological feature#n#1",
"abstraction#n#6",
"state#n#4", "event#n#1","human
activity#n#1","group#n#1","possession#n#2",
"phenomenon#n#1");
foreach (@uniqBegNames){
print $offset = $wn->offset($_).".....getting back ";
print $w = $wn->getSense($offset, "n")."\n"; #test
}#end foreach
ashwin