having knowledge of, conscious of, something

knowledgeable

able to think, feel, see etc.

alert, awake

having a good knowledge of

experienced, familiar with

too easily upset or offended

impressionable

easily influenced

easily taught; gullible

having, showing that one knows something

experienced, aware

of the soul or mind; of phenomena and conditions which appear to be outside physical or natural laws, e.g. telepathy

extrasensory in perception

reacting easily or quickly

quick to react

having or showing good sense

realistic, reasonable

quickly or easily receiving impressions; (of feelings) easily hurt or offended; (of instruments) able to record or reproduce small changes

impressionable

easily influenced by feelings

exposed, naive