Space flight to other galaxies becomes more cogitable.    From Wordnet, Princeton University. 

Adjective : The thought of space flights to other galaxies has become more cogitable.    From Dictionary.com. 

Whereupon being come into a cogitable admiration as it were all amazed, said: "Where am I?.    From Wordnik.com.  [The Most Pleasant and Delectable Questions of Love] Reference

Therefore, "the Conditioned is that which is alone conceivable or cogitable; the Unconditioned, that which is inconceivable or incogitable.    From Wordnik.com.  [Christianity and Greek Philosophy or, the relation between spontaneous and reflective thought in Greece and the positive teaching of Christ and His Apostles] Reference

"If the two contradictory extremes are equally incogitable, yet include a cogitable mean, why insist upon the necessity of accepting either extreme?.    From Wordnik.com.  [Christianity and Greek Philosophy or, the relation between spontaneous and reflective thought in Greece and the positive teaching of Christ and His Apostles] Reference