Synonyms for Erect:

adj.

all (adjective)
upright, vertical, tumid.
straight (adjective)
unbent.
straight up (adjective)
rigid, stiff, upright, erectile, perpendicular, standing, upstanding, raised, vertical, firm.
unbowed (adjective)
unbowed.
vertical (adjective)
up and down, vertical, longitudinal, sheer, steep, perpendicular, upright.

n.

go up, throw up, extend. build, create, catalyze, bring about, make, construct, set off, invent, start-off, inaugurate, form, trigger. solid, firm, inflexible, horizontal, rigid, impenetrable, unyielding, rock-hard, packed, Uprear, stiff. raised, on tiptoe(s), knee-deep, on your feet, upstanding, spreadeagled. erect (noun)
rearing, straight-backed, rampant, standing, statant, rear, tumid, stand up, fastigiate, vertical, erectile, straight, hard, passant, unbowed, upright, unbent, orthostatic, set up, raise.
upright (noun)
standing up.

v.

build; establish (verb)
bring about, heighten, stand up, create, lift, elevate, Uprear, set up, raise, make, form, throw up, upraise, rear, construct, hoist.
creation (verb)
rear, set up, raise.
elevate (verb)
escalate, hoist, exalt, elevate, rear, heighten, upraise, raise, rise, lift, levitate, uplift.
motion (verb)
rear.

Other synonyms:

construct, Uprear, build. knee-deep. raised, extend. go up. cock
standing up, stand up.
elevate
Uprear, upraise.
lift up
elevate.
stand-up
stand up.

Usage examples for erect

  1. She waited for him, erect but trembling. – Put Yourself in His Place by Charles Reade
  2. Where farm buildings are wanted, the Colonists must erect them themselves. – In-Darkest-England-and-the-Way-Out by Booth, William
  3. She advanced with firm and precise step, erect and head well held. – Parisian Points of View by Ludovic Halévy Commentator: Brander Matthews