Blindly

Blind′ly

,

adv.

Without sight, discernment, or understanding; without thought, investigation, knowledge, or purpose of one’s own.

By his imperious mistress

blindly

led.

Dryden.

,

adv.

Without sight, or understanding.

1.

Without discerning the reason; implicitly; without examination; as, to be blindly led by another.

2.

Without judgment or direction.

blindly ‎(comparative more blindly, superlative most blindly)

In a blind manner; without sight; sightlessly.
Without consideration or question.
- 1940 March 19, Albert Einstein, letter to Morris Raphael Cohen
  The mediocre mind is incapable of understanding the man who refuses to bow blindly to conventional prejudices and chooses instead to express his opinions courageously and honestly.

sightlessly

without consideration or question