indivisible aspects
indolent neglect
indomitable pride
indubitable signs
indulgent construction
indwelling delight
ineffable disdain
ineffaceable incongruity [ineffaceable = indelible]
ineffectual blandishment
ineradicable coquetry
inestimable honor
inevitable corollary
inexcusable laughter
inexhaustible abundance
inexorable authority [inexorable = incapable of being persuaded]
inexplicable reluctance
inexpressible benignity
inextricable confusion
infallible judgment
infamous pretense
infantile simplicity
infectious hilarity
infelicitous arrangement
inferential method
infernal machinations
infinite deference
infinitesimal gradations
infirm purpose
inflamed curiosity
inflated optimism
inflexible integrity
influential voice
informing feature
infuriated demagogues
ingenious trick
inglorious victory
ingrained love
ingratiating exterior
inharmonious prelude
inherent dignity
inherited anxieties
inimitable felicity
iniquitous fortune
initiatory period
injudicious yielding
injured conceit
inky blackness
inmost recesses
innate forbearance
inner restlessness