earnest

Gravity; serious purpose; earnestness.

Seriousness; reality; actuality (as opposed to joking or pretence)

To be serious with; use in earnest.

Serious, sincere, ingenuous.

Focused in the pursuit of an objective; honestly eager to obtain or do.

"earnest prayers"

Intent; focused; showing a lot of concentration.

"earnest attention"

Possessing or characterised by seriousness.

"an earnest disposition"

Strenuous; diligent.

"earnest efforts"

Serious; weighty; of a serious, weighty, or important nature; important.

A sum of money paid in advance as a deposit; hence, a pledge, a guarantee, an indication of something to come.

second-person singular simple present indicative of earn