advance
antenna
approach
asking price
barb
barbel
barbule
barometer
bid
bone of contention
cat whisker
catechism
cross-interrogatory
cross-question
debating point
demand
foretaste
hint
inquiry
interrogation
interrogative
interrogatory
invitation
issue
kiteflying
leader
leading
leading question
moot point
offer
offering
overture
palp
palpus
pilot balloon
point at issue
point in question
preliminary approach
presentation
probe
problem
proffer
query
question
question at issue
question mark
quodlibet
random sample
proposition
sensitiveness
sensitivity
suggestion
tentacle
put out feelers
antennæ
fp
innage
nibble
pupa
Wheeler
dealer
healer
keeler
mealer
pealer
peeler
sealer
spieler
stealer
steeler
wheeler