"Well, let me see ..."

• "You might just have a point ..."
• Sound of deliberation
• "I'm thinking . . ."
• "Lemme see ..."
• Exclamation of contemplation
• "I wonder ... "
• "Not sure how I feel about that..."
• "Let me think about that..."
• Sound of contemplation

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
representative of a sound made during contemplation or showing mild disapproval, attested from 1868, but this is probably a variation of the hum attested in similar senses from 1590s.