to decide to do something: to do something on purpose / to perform a maneuver, to carry out a tactical action / to decide on an opinion: to believe in an opinion firmly

(rare) an engagement (to get married) / (rare) a fiancée (female) or fiancé (male)

(historical) to arrange an engagement, whereby both sets of parents promise that their children shall wed; generally arranged while the children are still young

(historical) an arranged engagement, wherein both sets of parents promise that their children shall wed; generally arranged while the children are still young / (rare) a fiancée (female) or fiancé (male)

(rare) to get engaged (to get married)

(literary) they (about women or girls)

(colloquial) a girlfriend (a female partner in a romantic relationship)

(formal) Female third-person singular pronoun; she, her, girlfriend

young / if

"my lord" (towards a young master or a young heir)