Synonyms of the word

solely

• adv. Alone; exclusively.

alone

• adj. By oneself, solitary.
• adj. Apart from, or exclusive of, others.
• adj. Considered separately.
• adj. Without equal.
• adj. (obsolete) Unique; rare; matchless.
• adv. By oneself; apart from, or exclusive of, others; solo.
• adv. Without outside help.
• adv. Exclusively.

entirely

• adv. To the full or entire extent.
• adv. To the exclusion of others.

exclusively

• adv. (focus) to the exclusion of anything or anyone else; solely or entirely.

only

• adj. Alone in a category.
• adj. Singularly superior; the best.
• adj. Without sibling; without a sibling of the same gender.
• adj. (obsolete) Mere.
• adv. Without others or anything further; exclusively.
• adv. No more than; just.
• adv. As recently as.
• adv. (obsolete) Above all others; particularly.
• conj. Under the condition that; but.
• conj. But; except.
• n. An only child.