Synonyms and related words :
be curious, beat the bushes, burn with curiosity, burrow, delve, dig, dig around for, dig up, explore, forage, frisk, gape, gawk, go through, hunt, inquire, interrogate, look around, look round, look through, nose around for, nose out, peer, poke, poke around, pry, query, question, quiz, research, root, rubber, rubberneck, search, search through, seek, smell around, stare, want to know