speck, n. [spot], [stain]; [atom], [mite], [particle], [bit].
speckle, v. [speck], [spot], [dot].
speckled, a. [spotted], [mottled].
spectacle, n. [scene], [sight], [show], [exhibition], pageant.
spectator, n. [beholder], [witness], [bystander], [onlooker], observer.
specter, n. [phantom], [apparition], [shade], [ghost], manes, [spirit], wraith, [spook].
spectral, a. [phantomlike], [ghostly].
speculate, v. theorize, [meditate], [conjecture], [guess], [think].
speculation, n. [theory], [supposition], [conjecture]; contemplation, [thought].
speculative, a. contemplative, [meditative]; theoretical, supposititious.