Capable of being seen, or easily seen; open to view; visible to the eye, eyely; within sight or view.
Appearing to the eye or mind (distinguished from, but not necessarily opposed to, true or real); seeming.
Clear or manifest to the understanding; plain; evident; obvious; known; palpable; indubitable.
Implied, but not made explicit, especially through silence.
Not derived from formal principles of reasoning; based on induction rather than deduction.