n.
1.
Assuming, taking, taking on, taking up, accepting, becoming responsible for.
2.
Assuming, arrogating, usurpation.
3.
Presumption, supposition, conjecture, hypothesis, postulate, theory.
4.
Haughtiness, loftiness, superciliousness, lordliness, stateliness, conceit, pride, conceitedness, self-conceit, self-importance, vain-glory, insolence, hauteur . See arrogance .