1. (noun) a search for knowledge

• enquiry
• research

2. (noun) an instance of questioning

• enquiry
• interrogation
• query
• question

3. (noun) a systematic investigation of a matter of public interest

• enquiry

1. (noun) a search for knowledge

• canvass
• opinion poll
• poll
• public opinion poll
• empirical research
• experiment
• experimentation
• heraldry
• investigation
• probe
• nature study

2. (noun) a systematic investigation of a matter of public interest

• inquest
• means test

1. (noun) a search for knowledge

• problem solving

2. (noun) an instance of questioning

• inquiring
• questioning

3. (noun) a systematic investigation of a matter of public interest

• investigating
• investigation

1. (noun) an instance of questioning

• answer

1. (noun) a search for knowledge

• explore
• research
• search
• research

2. (noun) an instance of questioning

• ask
• ask
• enquire
• enquire
• inquire
• inquire
• interrogate
• interrogate
• question
• question
• interview
• question
• query
• query
• question
• question

3. (noun) a systematic investigation of a matter of public interest

• enquire
• enquire
• inquire
• inquire
• investigate
• investigate