truly
//ˈtruːli//
Adverb
1
in a truthful way; honestly or sincerely
I truly believe that honesty is the best policy.
2
to a great extent or degree; very or extremely
It was a truly amazing performance.
3
in actual fact; really or genuinely
This is a truly remarkable achievement.
4
used for emphasis or to express strong agreement
It was truly a wonderful experience.