Draw a Conclusion Without Investigating

This page is the CodyCross answer for the clue below from All Things Water, Group 1286, Puzzle 2 (Streams and Swamps).

Question is: Draw a Conclusion Without Investigating

and the answer is: ASSUME

Word Meaning:

ASSUME — To authenticate by means of belief; to surmise; to suppose to be true, especially without proof.

Definitions from Wiktionary.