acquaintance with facts, truths, or principles, as from study or investigation; general erudition

knowledge of many things.

familiarity or conversance, as with a particular subject or branch of learning

A knowledge of accounting was necessary for the job.

acquaintance or familiarity gained by sight, experience, or report

a knowledge of human nature.

the fact or state of knowing; the perception of fact or truth; clear and certain mental apprehension.

awareness, as of a fact or circumstance

He had knowledge of her good fortune.

something that is or may be known; information

He sought knowledge of her activities.

the body of truths or facts accumulated in the course of time.

the sum of what is known

Knowledge of the true situation is limited.

Archaic . sexual intercourse. Compare carnal knowledge .

creating, involving, using, or disseminating special knowledge or information

A computer expert can always find a good job in the knowledge industry.

to one's knowledge

according to the information available to one

To my knowledge he hasn't been here before.

noun

ignorance , dilettanteism pedantry , inerudition , sciolism , unfamiliarity

noun

ability , accomplishments , acquaintance , apprehension , attainments , awareness , cognition , comprehension , consciousness , dirt * , discernment , doctrine , dogma , dope * , education , enlightenment , erudition , expertise , facts , familiarity , goods * , grasp , inside story , insight , instruction , intelligence , judgment , know-how * , learning , light * , lore , observation , philosophy , picture , power * , principles , proficiency , recognition , scholarship , schooling , science , scoop * , substance , theory , tuition , wisdom , information , data , fact , anschauung , apperception , clairvoyance , cognizance , culture , encyclopedism , experience , humanism , inkling , intuition , ken , know-how , omniscience , omniscience (universal knowledge) , pansophism , pedantry , perception , polymathy , prescience(foreknowledge) , profundity , rationalism , revelation , sagacity , savoir-faire , savoir faire , technique , understanding , virtuosity