Answer: talksense

AnswerCrossword Clue
TALKSENSE

Speak rationally

TALKSENSE

Give sound advice

TALKSENSE

Be reasonable

TALKSENSE
Sound reasonable
TALKSENSE
Sound sound
TALKSENSENot blather
TALKSENSEDispense sound advice
TALKSENSE"Enough of this gibberish!"
TALKSENSE"Be reasonable!"