Synonyms of the word

betrothed

• v. simple past tense and past participle of betroth.
• n. Fiancé or fiancée.

affianced

• v. simple past tense and past participle of affiance.

attached

• v. simple past tense and past participle of attach.
• adj. Fond of (used with to).
• adj. In a romantic or sexual relationship.
• adj. (botany, mycology) Broadly joined to a stem or stipe, but not decurrent.
• adj. Of a residential building, sharing walls with similar buildings on two, usually opposite, sides.

bespoken

• v. past participle of bespeak.
• adj. betrothed or engaged to be married.

committed

• v. simple past tense and past participle of commit.
• adj. Obligated by a pledge to some course of action.
• adj. showing commitment.
• adj. Associated in an exclusive (but not necessarily permanent) sexual relationship.
• adj. (rhetoric) Required by logic to endorse the conclusion of an argument.

engaged

• v. simple past tense and past participle of engage.
• adj. Agreed to be married.
• adj. Busy or employed.
• adj. (Britain) (of a telephone) Already involved in a telephone call when a third party calls.
• adj. (architecture, of a column) attached to a wall or sunk into it halfway.
• adj. (of gears or cogs) in contact and in operation.
• adj. (military) being attacked or attacking.

lover

• n. One who loves and cares for another person in a romantic way; a sweetheart, love, soulmate, boyfriend,…
• n. A sexual partner.
• n. A person who loves something.
• n. (West Country, with "my") An informal term of address for any friend.

pledged

• v. simple past tense and past participle of pledge.