WAFFLE

to equivocate

to change one's position

/pause or hold back in uncertainty or unwillingness
SYN - hesitate, waver

"He had been prone to waffle on this topic before, so not too many people took his claim that seriously."

"It was important in politics, not to necessarily be right, but just not to waffle."

"He had won the debate, not because of some great deed on his own part, but rather because his rival had waffled on his plan for social security."

"for too many people waffling is considered a sign of weakness or later hypocrisy, but this was absurd - i would hope that someone would change their position constantly whenever they receive new relevant information."