speculative

The definition of speculative is based off of thoughts not evidence.

(adjective)

An example of something speculative is a theory based on emotions that a certain stock is going to rise.

See speculative in Webster's New World College Dictionary

adjective

of, characterized by, or having the nature of, speculation or meditation, conjecture, etc.
theoretical, not practical
of or characterized by financial speculation
uncertain; risky
indulging in or fond of speculation

Origin: ME speculatif < MFr < LL speculativus

Related Forms:

See speculative in American Heritage Dictionary 4

adjective

Of, characterized by, or based upon contemplative speculation. See Synonyms at theoretical.
a. Given to conjecture or speculation.
b. Marked by inquisitive interest: raised a speculative eyebrow.
a. Engaging in, given to, or involving financial speculation: speculative brokers; speculative stocks.
b. Spent in speculation: speculative funds.
c. Involving chance; risky: speculative business enterprises.