Answer:

feeler

Answer	Crossword Clue
FEELER	Antenna or tentacle
FEELER	Antenna, often
FEELER	Negotiator's strategy

FEELER	Subtle overture
FEELER	Tentacle
FEELER	Information-eliciting negotiation tactic
FEELER	Trial balloon
FEELER	Insect's antenna
FEELER	Tentative remark
FEELER	Subtle proposal
FEELER	Antenna

FEELER	Preliminary proposal
FEELER	Bug's antenna
FEELER	Proposal
FEELER	Tentacle.
FEELER	Trial balloon.
FEELER	Antenna.
FEELER	Negotiator's proposal.
FEELER	Tentative proposal.

FEELER	Tentative offer.
FEELER	Palp
FEELER	Ant's antenna
FEELER	It's a test
FEELER	Tentative proposal from ref Lee
FEELER	Insect's appendage
FEELER	Tentative proposal
FEELER	Insect's sensory device

FEELER	Insect antenna