undertone (n.)

• air
• allegory
• allusion
• aspiration
• assumption
• atmosphere
• aura
• bearing
• breath
• climate
• coloration
• coloring
• connotation
• consequence
• denotation
• drift
• effect
• essence
• exhalation
• extension
• feel
• feeling
• force
• gist
• hint
• idea
• impact
• implication
• import
• inference
• innuendo
• intension
• intimation
• meaning
• milieu
• mumble
• mumbling
• murmur
• murmuration
• murmuring
• mutter
• muttering
• note
• nuance
• overtone
• pertinence
• pith
• point
• presumption
• presupposition
• purport
• quality
• reference
• referent
• relation
• relevance
• rumor
• scope
• sense
• sigh
• significance
• signification
• spirit
• substance
• suggestion
• sum
• supposition
• susurration
• susurrus
• symbolism
• tenor
• tinge
• tone
• touch
• undercurrent
• value
• whisper
• whispering