This replaces the original thread due to modifications to the rules
NEW RULES
You can change, add or subtract a letter and reshuffle the letters to make a new word.
You may make up to TWO amendments. For example you can:
a) change two letters
b) add two letters
c) subtract two letters
d) change one letter and subtract one letter
e) change one letter and add one letter
The last submission on the original thread was by Grandma2213 so we'll start with her word:
Ascertain