Phrasal Verb: Grow upon

Meaning: Like something that you didn't like at first

Example: The book started slowly and was a bit dull, but it has GROWN UPON me.

Meaning: Have a greater influence or degree of acceptance

Example: As we got nearer the date of the meeting, their idea GREW UPON me.

Meaning: Become gradually more evident

Example: A feeling of distrust of them GREW UPON me.