Synonyms and related words :
ask, ask a question, ask about, ask questions, be curious, bring into question, burn with curiosity, catechize, demand, dig around for, dig up, enquire, examine, explore, gape, gawk, inquire into, inquire of, inspect, interpellate, interrogate, investigate, look into, make inquiry, nose around for, nose out, peer, probe, propose a question, propound a question, put queries, query, question, quiz, require an answer, research, rubber, rubberneck, scrutinize, search, seek, stare, study, survey, want to know