Emily Dickinson Lexicon

presumption, n. [ME < OFr < L. præsumptiōn-em, a taking beforehand, anticipation, confidence, audacity; see presume, v.] (webplay: admitted, ancestor, cautiously, circumstantial, death, existence, God, heir, hope, inherit, known, law, right, take, venture).

1. Guess; assumption; speculation; conjecture; supposition.
2. Liberty; license; perceived right; self-granted privilege; audaciously claimed prerogative.
3. [Fig.] estimation; beginning; taste; sample; portion; part; specimen; brief vision.